Home / 63,549.40-87,520.60-62,171.88

Finding the Fourth Proportional to 63,549.40, 87,520.60 and 62,171.88

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Solution

The fourth proportional to 63,549.40, 87,520.60 and 62,171.88 is: 85,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,549.40 : 87,520.60 = 62,171.88 : x
  2. Step 2: Convert to fraction form
    63,549.40/87,520.60 = 62,171.88/x
  3. Step 3: Cross multiply
    63,549.40x = 87,520.60 × 62,171.88
  4. Step 4: Simplify right side
    63,549.40x = 5,441,320,240.73
  5. Step 5: Solve for x
    x = 5,441,320,240.73/63,549.40
  6. Step 6: Final answer
    x = 85,623.47

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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.