Home / 66,520.20-99,926.10-49,101.96

Finding the Fourth Proportional to 66,520.20, 99,926.10 and 49,101.96

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Solution

The fourth proportional to 66,520.20, 99,926.10 and 49,101.96 is: 73,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520.20 : 99,926.10 = 49,101.96 : x
  2. Step 2: Convert to fraction form
    66,520.20/99,926.10 = 49,101.96/x
  3. Step 3: Cross multiply
    66,520.20x = 99,926.10 × 49,101.96
  4. Step 4: Simplify right side
    66,520.20x = 4,906,567,365.16
  5. Step 5: Solve for x
    x = 4,906,567,365.16/66,520.20
  6. Step 6: Final answer
    x = 73,760.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.