Home / 87,540.01-120,659.96-62,013.67

Finding the Fourth Proportional to 87,540.01, 120,659.96 and 62,013.67

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Solution

The fourth proportional to 87,540.01, 120,659.96 and 62,013.67 is: 85,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540.01 : 120,659.96 = 62,013.67 : x
  2. Step 2: Convert to fraction form
    87,540.01/120,659.96 = 62,013.67/x
  3. Step 3: Cross multiply
    87,540.01x = 120,659.96 × 62,013.67
  4. Step 4: Simplify right side
    87,540.01x = 7,482,566,795.04
  5. Step 5: Solve for x
    x = 7,482,566,795.04/87,540.01
  6. Step 6: Final answer
    x = 85,475.97

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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.