Home / 87,092.52-120,066.19-58,417.30

Finding the Fourth Proportional to 87,092.52, 120,066.19 and 58,417.30

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Solution

The fourth proportional to 87,092.52, 120,066.19 and 58,417.30 is: 80,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,092.52 : 120,066.19 = 58,417.30 : x
  2. Step 2: Convert to fraction form
    87,092.52/120,066.19 = 58,417.30/x
  3. Step 3: Cross multiply
    87,092.52x = 120,066.19 × 58,417.30
  4. Step 4: Simplify right side
    87,092.52x = 7,013,942,641.09
  5. Step 5: Solve for x
    x = 7,013,942,641.09/87,092.52
  6. Step 6: Final answer
    x = 80,534.39

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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.