Home / 82,512.30-123,666.78-32,542.14

Finding the Fourth Proportional to 82,512.30, 123,666.78 and 32,542.14

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Solution

The fourth proportional to 82,512.30, 123,666.78 and 32,542.14 is: 48,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,512.30 : 123,666.78 = 32,542.14 : x
  2. Step 2: Convert to fraction form
    82,512.30/123,666.78 = 32,542.14/x
  3. Step 3: Cross multiply
    82,512.30x = 123,666.78 × 32,542.14
  4. Step 4: Simplify right side
    82,512.30x = 4,024,381,668.11
  5. Step 5: Solve for x
    x = 4,024,381,668.11/82,512.30
  6. Step 6: Final answer
    x = 48,773.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.