Home / 87,707.72-121,092.01-60,840.83

Finding the Fourth Proportional to 87,707.72, 121,092.01 and 60,840.83

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Solution

The fourth proportional to 87,707.72, 121,092.01 and 60,840.83 is: 83,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,707.72 : 121,092.01 = 60,840.83 : x
  2. Step 2: Convert to fraction form
    87,707.72/121,092.01 = 60,840.83/x
  3. Step 3: Cross multiply
    87,707.72x = 121,092.01 × 60,840.83
  4. Step 4: Simplify right side
    87,707.72x = 7,367,338,545.40
  5. Step 5: Solve for x
    x = 7,367,338,545.40/87,707.72
  6. Step 6: Final answer
    x = 83,998.74

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1.5x scale

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.