Home / 87,754.83-121,101.66-49,522.47

Finding the Fourth Proportional to 87,754.83, 121,101.66 and 49,522.47

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Solution

The fourth proportional to 87,754.83, 121,101.66 and 49,522.47 is: 68,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.83 : 121,101.66 = 49,522.47 : x
  2. Step 2: Convert to fraction form
    87,754.83/121,101.66 = 49,522.47/x
  3. Step 3: Cross multiply
    87,754.83x = 121,101.66 × 49,522.47
  4. Step 4: Simplify right side
    87,754.83x = 5,997,253,324.30
  5. Step 5: Solve for x
    x = 5,997,253,324.30/87,754.83
  6. Step 6: Final answer
    x = 68,341.01

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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.