Home / 69,123.17-95,390.18-38,908.96

Finding the Fourth Proportional to 69,123.17, 95,390.18 and 38,908.96

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Solution

The fourth proportional to 69,123.17, 95,390.18 and 38,908.96 is: 53,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,123.17 : 95,390.18 = 38,908.96 : x
  2. Step 2: Convert to fraction form
    69,123.17/95,390.18 = 38,908.96/x
  3. Step 3: Cross multiply
    69,123.17x = 95,390.18 × 38,908.96
  4. Step 4: Simplify right side
    69,123.17x = 3,711,532,520.33
  5. Step 5: Solve for x
    x = 3,711,532,520.33/69,123.17
  6. Step 6: Final answer
    x = 53,694.48

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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.