Home / 87,833.88-121,209.93-47,546.61

Finding the Fourth Proportional to 87,833.88, 121,209.93 and 47,546.61

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Solution

The fourth proportional to 87,833.88, 121,209.93 and 47,546.61 is: 65,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,833.88 : 121,209.93 = 47,546.61 : x
  2. Step 2: Convert to fraction form
    87,833.88/121,209.93 = 47,546.61/x
  3. Step 3: Cross multiply
    87,833.88x = 121,209.93 × 47,546.61
  4. Step 4: Simplify right side
    87,833.88x = 5,763,121,269.84
  5. Step 5: Solve for x
    x = 5,763,121,269.84/87,833.88
  6. Step 6: Final answer
    x = 65,613.88

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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.