Home / 63,540.40-87,508.20-62,162.88

Finding the Fourth Proportional to 63,540.40, 87,508.20 and 62,162.88

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Solution

The fourth proportional to 63,540.40, 87,508.20 and 62,162.88 is: 85,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,540.40 : 87,508.20 = 62,162.88 : x
  2. Step 2: Convert to fraction form
    63,540.40/87,508.20 = 62,162.88/x
  3. Step 3: Cross multiply
    63,540.40x = 87,508.20 × 62,162.88
  4. Step 4: Simplify right side
    63,540.40x = 5,439,761,735.62
  5. Step 5: Solve for x
    x = 5,439,761,735.62/63,540.40
  6. Step 6: Final answer
    x = 85,611.07

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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.