Home / 82,275.74-123,388.08-29,678.36

Finding the Fourth Proportional to 82,275.74, 123,388.08 and 29,678.36

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Solution

The fourth proportional to 82,275.74, 123,388.08 and 29,678.36 is: 44,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,275.74 : 123,388.08 = 29,678.36 : x
  2. Step 2: Convert to fraction form
    82,275.74/123,388.08 = 29,678.36/x
  3. Step 3: Cross multiply
    82,275.74x = 123,388.08 × 29,678.36
  4. Step 4: Simplify right side
    82,275.74x = 3,661,955,857.95
  5. Step 5: Solve for x
    x = 3,661,955,857.95/82,275.74
  6. Step 6: Final answer
    x = 44,508.33

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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.