Home / 69,204.72-103,807.07-39,601.62

Finding the Fourth Proportional to 69,204.72, 103,807.07 and 39,601.62

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Solution

The fourth proportional to 69,204.72, 103,807.07 and 39,601.62 is: 59,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,204.72 : 103,807.07 = 39,601.62 : x
  2. Step 2: Convert to fraction form
    69,204.72/103,807.07 = 39,601.62/x
  3. Step 3: Cross multiply
    69,204.72x = 103,807.07 × 39,601.62
  4. Step 4: Simplify right side
    69,204.72x = 4,110,928,479.23
  5. Step 5: Solve for x
    x = 4,110,928,479.23/69,204.72
  6. Step 6: Final answer
    x = 59,402.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.