Home / 87,133.59-120,148.30-60,229.39

Finding the Fourth Proportional to 87,133.59, 120,148.30 and 60,229.39

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Solution

The fourth proportional to 87,133.59, 120,148.30 and 60,229.39 is: 83,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,133.59 : 120,148.30 = 60,229.39 : x
  2. Step 2: Convert to fraction form
    87,133.59/120,148.30 = 60,229.39/x
  3. Step 3: Cross multiply
    87,133.59x = 120,148.30 × 60,229.39
  4. Step 4: Simplify right side
    87,133.59x = 7,236,458,818.54
  5. Step 5: Solve for x
    x = 7,236,458,818.54/87,133.59
  6. Step 6: Final answer
    x = 83,050.16

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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.