Home / 71,929.38-99,258.91-40,092.13

Finding the Fourth Proportional to 71,929.38, 99,258.91 and 40,092.13

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Solution

The fourth proportional to 71,929.38, 99,258.91 and 40,092.13 is: 55,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,929.38 : 99,258.91 = 40,092.13 : x
  2. Step 2: Convert to fraction form
    71,929.38/99,258.91 = 40,092.13/x
  3. Step 3: Cross multiply
    71,929.38x = 99,258.91 × 40,092.13
  4. Step 4: Simplify right side
    71,929.38x = 3,979,501,123.38
  5. Step 5: Solve for x
    x = 3,979,501,123.38/71,929.38
  6. Step 6: Final answer
    x = 55,325.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.