Home / 87,932.73-131,897.43-21,372.30

Finding the Fourth Proportional to 87,932.73, 131,897.43 and 21,372.30

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Solution

The fourth proportional to 87,932.73, 131,897.43 and 21,372.30 is: 32,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,932.73 : 131,897.43 = 21,372.30 : x
  2. Step 2: Convert to fraction form
    87,932.73/131,897.43 = 21,372.30/x
  3. Step 3: Cross multiply
    87,932.73x = 131,897.43 × 21,372.30
  4. Step 4: Simplify right side
    87,932.73x = 2,818,951,443.19
  5. Step 5: Solve for x
    x = 2,818,951,443.19/87,932.73
  6. Step 6: Final answer
    x = 32,058.05

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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.