Home / 87,934.07-131,899.95-21,374.01

Finding the Fourth Proportional to 87,934.07, 131,899.95 and 21,374.01

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Solution

The fourth proportional to 87,934.07, 131,899.95 and 21,374.01 is: 32,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.07 : 131,899.95 = 21,374.01 : x
  2. Step 2: Convert to fraction form
    87,934.07/131,899.95 = 21,374.01/x
  3. Step 3: Cross multiply
    87,934.07x = 131,899.95 × 21,374.01
  4. Step 4: Simplify right side
    87,934.07x = 2,819,230,850.30
  5. Step 5: Solve for x
    x = 2,819,230,850.30/87,934.07
  6. Step 6: Final answer
    x = 32,060.73

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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.