Home / 69,046.92-103,553.55-19,125.72

Finding the Fourth Proportional to 69,046.92, 103,553.55 and 19,125.72

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Solution

The fourth proportional to 69,046.92, 103,553.55 and 19,125.72 is: 28,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,046.92 : 103,553.55 = 19,125.72 : x
  2. Step 2: Convert to fraction form
    69,046.92/103,553.55 = 19,125.72/x
  3. Step 3: Cross multiply
    69,046.92x = 103,553.55 × 19,125.72
  4. Step 4: Simplify right side
    69,046.92x = 1,980,536,202.31
  5. Step 5: Solve for x
    x = 1,980,536,202.31/69,046.92
  6. Step 6: Final answer
    x = 28,683.92

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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.