Home / 87,260.29-120,464.82-58,729.93

Finding the Fourth Proportional to 87,260.29, 120,464.82 and 58,729.93

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Solution

The fourth proportional to 87,260.29, 120,464.82 and 58,729.93 is: 81,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,260.29 : 120,464.82 = 58,729.93 : x
  2. Step 2: Convert to fraction form
    87,260.29/120,464.82 = 58,729.93/x
  3. Step 3: Cross multiply
    87,260.29x = 120,464.82 × 58,729.93
  4. Step 4: Simplify right side
    87,260.29x = 7,074,890,144.90
  5. Step 5: Solve for x
    x = 7,074,890,144.90/87,260.29
  6. Step 6: Final answer
    x = 81,078.01

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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.