Home / 69,124.73-95,385.39-38,909.45

Finding the Fourth Proportional to 69,124.73, 95,385.39 and 38,909.45

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Solution

The fourth proportional to 69,124.73, 95,385.39 and 38,909.45 is: 53,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.73 : 95,385.39 = 38,909.45 : x
  2. Step 2: Convert to fraction form
    69,124.73/95,385.39 = 38,909.45/x
  3. Step 3: Cross multiply
    69,124.73x = 95,385.39 × 38,909.45
  4. Step 4: Simplify right side
    69,124.73x = 3,711,392,586.01
  5. Step 5: Solve for x
    x = 3,711,392,586.01/69,124.73
  6. Step 6: Final answer
    x = 53,691.25

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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.