Home / 69,124.96-95,385.09-38,909.77

Finding the Fourth Proportional to 69,124.96, 95,385.09 and 38,909.77

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Solution

The fourth proportional to 69,124.96, 95,385.09 and 38,909.77 is: 53,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.96 : 95,385.09 = 38,909.77 : x
  2. Step 2: Convert to fraction form
    69,124.96/95,385.09 = 38,909.77/x
  3. Step 3: Cross multiply
    69,124.96x = 95,385.09 × 38,909.77
  4. Step 4: Simplify right side
    69,124.96x = 3,711,411,820.78
  5. Step 5: Solve for x
    x = 3,711,411,820.78/69,124.96
  6. Step 6: Final answer
    x = 53,691.34

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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.