Home / 87,795.52-121,213.20-60,929.44

Finding the Fourth Proportional to 87,795.52, 121,213.20 and 60,929.44

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Solution

The fourth proportional to 87,795.52, 121,213.20 and 60,929.44 is: 84,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,795.52 : 121,213.20 = 60,929.44 : x
  2. Step 2: Convert to fraction form
    87,795.52/121,213.20 = 60,929.44/x
  3. Step 3: Cross multiply
    87,795.52x = 121,213.20 × 60,929.44
  4. Step 4: Simplify right side
    87,795.52x = 7,385,452,396.61
  5. Step 5: Solve for x
    x = 7,385,452,396.61/87,795.52
  6. Step 6: Final answer
    x = 84,121.06

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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.