Home / 87,184.82-120,351.22-58,928.78

Finding the Fourth Proportional to 87,184.82, 120,351.22 and 58,928.78

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Solution

The fourth proportional to 87,184.82, 120,351.22 and 58,928.78 is: 81,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,184.82 : 120,351.22 = 58,928.78 : x
  2. Step 2: Convert to fraction form
    87,184.82/120,351.22 = 58,928.78/x
  3. Step 3: Cross multiply
    87,184.82x = 120,351.22 × 58,928.78
  4. Step 4: Simplify right side
    87,184.82x = 7,092,150,566.11
  5. Step 5: Solve for x
    x = 7,092,150,566.11/87,184.82
  6. Step 6: Final answer
    x = 81,346.16

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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.