Home / 69,129.05-95,397.55-38,914.73

Finding the Fourth Proportional to 69,129.05, 95,397.55 and 38,914.73

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Solution

The fourth proportional to 69,129.05, 95,397.55 and 38,914.73 is: 53,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,129.05 : 95,397.55 = 38,914.73 : x
  2. Step 2: Convert to fraction form
    69,129.05/95,397.55 = 38,914.73/x
  3. Step 3: Cross multiply
    69,129.05x = 95,397.55 × 38,914.73
  4. Step 4: Simplify right side
    69,129.05x = 3,712,369,684.38
  5. Step 5: Solve for x
    x = 3,712,369,684.38/69,129.05
  6. Step 6: Final answer
    x = 53,702.02

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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.