Home / 87,318.76-130,884.88-49,798.04

Finding the Fourth Proportional to 87,318.76, 130,884.88 and 49,798.04

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Solution

The fourth proportional to 87,318.76, 130,884.88 and 49,798.04 is: 74,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,318.76 : 130,884.88 = 49,798.04 : x
  2. Step 2: Convert to fraction form
    87,318.76/130,884.88 = 49,798.04/x
  3. Step 3: Cross multiply
    87,318.76x = 130,884.88 × 49,798.04
  4. Step 4: Simplify right side
    87,318.76x = 6,517,810,489.64
  5. Step 5: Solve for x
    x = 6,517,810,489.64/87,318.76
  6. Step 6: Final answer
    x = 74,643.87

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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.