Home / 87,708.72-121,093.39-60,841.83

Finding the Fourth Proportional to 87,708.72, 121,093.39 and 60,841.83

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Solution

The fourth proportional to 87,708.72, 121,093.39 and 60,841.83 is: 84,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,708.72 : 121,093.39 = 60,841.83 : x
  2. Step 2: Convert to fraction form
    87,708.72/121,093.39 = 60,841.83/x
  3. Step 3: Cross multiply
    87,708.72x = 121,093.39 × 60,841.83
  4. Step 4: Simplify right side
    87,708.72x = 7,367,543,448.50
  5. Step 5: Solve for x
    x = 7,367,543,448.50/87,708.72
  6. Step 6: Final answer
    x = 84,000.13

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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.