Home / 82,286.74-123,356.19-29,683.92

Finding the Fourth Proportional to 82,286.74, 123,356.19 and 29,683.92

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Solution

The fourth proportional to 82,286.74, 123,356.19 and 29,683.92 is: 44,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,286.74 : 123,356.19 = 29,683.92 : x
  2. Step 2: Convert to fraction form
    82,286.74/123,356.19 = 29,683.92/x
  3. Step 3: Cross multiply
    82,286.74x = 123,356.19 × 29,683.92
  4. Step 4: Simplify right side
    82,286.74x = 3,661,695,275.46
  5. Step 5: Solve for x
    x = 3,661,695,275.46/82,286.74
  6. Step 6: Final answer
    x = 44,499.22

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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.