Home / 58,691.17-88,043.60-21,268.87

Finding the Fourth Proportional to 58,691.17, 88,043.60 and 21,268.87

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Solution

The fourth proportional to 58,691.17, 88,043.60 and 21,268.87 is: 31,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,691.17 : 88,043.60 = 21,268.87 : x
  2. Step 2: Convert to fraction form
    58,691.17/88,043.60 = 21,268.87/x
  3. Step 3: Cross multiply
    58,691.17x = 88,043.60 × 21,268.87
  4. Step 4: Simplify right side
    58,691.17x = 1,872,587,336.17
  5. Step 5: Solve for x
    x = 1,872,587,336.17/58,691.17
  6. Step 6: Final answer
    x = 31,905.78

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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.