Home / 42,344.04-63,516.06-11,179.56

Finding the Fourth Proportional to 42,344.04, 63,516.06 and 11,179.56

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Solution

The fourth proportional to 42,344.04, 63,516.06 and 11,179.56 is: 16,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,344.04 : 63,516.06 = 11,179.56 : x
  2. Step 2: Convert to fraction form
    42,344.04/63,516.06 = 11,179.56/x
  3. Step 3: Cross multiply
    42,344.04x = 63,516.06 × 11,179.56
  4. Step 4: Simplify right side
    42,344.04x = 710,081,603.73
  5. Step 5: Solve for x
    x = 710,081,603.73/42,344.04
  6. Step 6: Final answer
    x = 16,769.34

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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.