Home / 87,118.39-120,260.19-58,862.35

Finding the Fourth Proportional to 87,118.39, 120,260.19 and 58,862.35

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Solution

The fourth proportional to 87,118.39, 120,260.19 and 58,862.35 is: 81,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,118.39 : 120,260.19 = 58,862.35 : x
  2. Step 2: Convert to fraction form
    87,118.39/120,260.19 = 58,862.35/x
  3. Step 3: Cross multiply
    87,118.39x = 120,260.19 × 58,862.35
  4. Step 4: Simplify right side
    87,118.39x = 7,078,797,394.85
  5. Step 5: Solve for x
    x = 7,078,797,394.85/87,118.39
  6. Step 6: Final answer
    x = 81,254.92

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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.