Home / 82,618.52-123,761.46-38,184.08

Finding the Fourth Proportional to 82,618.52, 123,761.46 and 38,184.08

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Solution

The fourth proportional to 82,618.52, 123,761.46 and 38,184.08 is: 57,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,618.52 : 123,761.46 = 38,184.08 : x
  2. Step 2: Convert to fraction form
    82,618.52/123,761.46 = 38,184.08/x
  3. Step 3: Cross multiply
    82,618.52x = 123,761.46 × 38,184.08
  4. Step 4: Simplify right side
    82,618.52x = 4,725,717,489.56
  5. Step 5: Solve for x
    x = 4,725,717,489.56/82,618.52
  6. Step 6: Final answer
    x = 57,199.25

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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.