Home / 87,833.52-121,209.12-47,546.46

Finding the Fourth Proportional to 87,833.52, 121,209.12 and 47,546.46

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Solution

The fourth proportional to 87,833.52, 121,209.12 and 47,546.46 is: 65,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,833.52 : 121,209.12 = 47,546.46 : x
  2. Step 2: Convert to fraction form
    87,833.52/121,209.12 = 47,546.46/x
  3. Step 3: Cross multiply
    87,833.52x = 121,209.12 × 47,546.46
  4. Step 4: Simplify right side
    87,833.52x = 5,763,064,575.72
  5. Step 5: Solve for x
    x = 5,763,064,575.72/87,833.52
  6. Step 6: Final answer
    x = 65,613.50

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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.