Home / 67,027.91-92,488.23-38,728.13

Finding the Fourth Proportional to 67,027.91, 92,488.23 and 38,728.13

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Solution

The fourth proportional to 67,027.91, 92,488.23 and 38,728.13 is: 53,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,027.91 : 92,488.23 = 38,728.13 : x
  2. Step 2: Convert to fraction form
    67,027.91/92,488.23 = 38,728.13/x
  3. Step 3: Cross multiply
    67,027.91x = 92,488.23 × 38,728.13
  4. Step 4: Simplify right side
    67,027.91x = 3,581,895,732.47
  5. Step 5: Solve for x
    x = 3,581,895,732.47/67,027.91
  6. Step 6: Final answer
    x = 53,438.87

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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.