Home / 87,867.72-131,876.91-35,314.92

Finding the Fourth Proportional to 87,867.72, 131,876.91 and 35,314.92

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Solution

The fourth proportional to 87,867.72, 131,876.91 and 35,314.92 is: 53,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,867.72 : 131,876.91 = 35,314.92 : x
  2. Step 2: Convert to fraction form
    87,867.72/131,876.91 = 35,314.92/x
  3. Step 3: Cross multiply
    87,867.72x = 131,876.91 × 35,314.92
  4. Step 4: Simplify right side
    87,867.72x = 4,657,222,526.50
  5. Step 5: Solve for x
    x = 4,657,222,526.50/87,867.72
  6. Step 6: Final answer
    x = 53,002.66

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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.