Home / 87,227.29-120,373.32-48,981.52

Finding the Fourth Proportional to 87,227.29, 120,373.32 and 48,981.52

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Solution

The fourth proportional to 87,227.29, 120,373.32 and 48,981.52 is: 67,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,227.29 : 120,373.32 = 48,981.52 : x
  2. Step 2: Convert to fraction form
    87,227.29/120,373.32 = 48,981.52/x
  3. Step 3: Cross multiply
    87,227.29x = 120,373.32 × 48,981.52
  4. Step 4: Simplify right side
    87,227.29x = 5,896,068,181.05
  5. Step 5: Solve for x
    x = 5,896,068,181.05/87,227.29
  6. Step 6: Final answer
    x = 67,594.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.