Home / 87,996.95-130,863.33-85,194.42

Finding the Fourth Proportional to 87,996.95, 130,863.33 and 85,194.42

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Solution

The fourth proportional to 87,996.95, 130,863.33 and 85,194.42 is: 126,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,996.95 : 130,863.33 = 85,194.42 : x
  2. Step 2: Convert to fraction form
    87,996.95/130,863.33 = 85,194.42/x
  3. Step 3: Cross multiply
    87,996.95x = 130,863.33 × 85,194.42
  4. Step 4: Simplify right side
    87,996.95x = 11,148,825,007.88
  5. Step 5: Solve for x
    x = 11,148,825,007.88/87,996.95
  6. Step 6: Final answer
    x = 126,695.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.