Home / 87,584.85-120,867.09-47,298.61

Finding the Fourth Proportional to 87,584.85, 120,867.09 and 47,298.61

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Solution

The fourth proportional to 87,584.85, 120,867.09 and 47,298.61 is: 65,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,584.85 : 120,867.09 = 47,298.61 : x
  2. Step 2: Convert to fraction form
    87,584.85/120,867.09 = 47,298.61/x
  3. Step 3: Cross multiply
    87,584.85x = 120,867.09 × 47,298.61
  4. Step 4: Simplify right side
    87,584.85x = 5,716,845,517.61
  5. Step 5: Solve for x
    x = 5,716,845,517.61/87,584.85
  6. Step 6: Final answer
    x = 65,272.08

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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.