Home / 81,262.38-112,147.95-45,463.92

Finding the Fourth Proportional to 81,262.38, 112,147.95 and 45,463.92

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Solution

The fourth proportional to 81,262.38, 112,147.95 and 45,463.92 is: 62,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,262.38 : 112,147.95 = 45,463.92 : x
  2. Step 2: Convert to fraction form
    81,262.38/112,147.95 = 45,463.92/x
  3. Step 3: Cross multiply
    81,262.38x = 112,147.95 × 45,463.92
  4. Step 4: Simplify right side
    81,262.38x = 5,098,685,426.96
  5. Step 5: Solve for x
    x = 5,098,685,426.96/81,262.38
  6. Step 6: Final answer
    x = 62,743.49

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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.