Home / 41,281.20-61,921.80-10,116.45

Finding the Fourth Proportional to 41,281.20, 61,921.80 and 10,116.45

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Solution

The fourth proportional to 41,281.20, 61,921.80 and 10,116.45 is: 15,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,281.20 : 61,921.80 = 10,116.45 : x
  2. Step 2: Convert to fraction form
    41,281.20/61,921.80 = 10,116.45/x
  3. Step 3: Cross multiply
    41,281.20x = 61,921.80 × 10,116.45
  4. Step 4: Simplify right side
    41,281.20x = 626,428,793.61
  5. Step 5: Solve for x
    x = 626,428,793.61/41,281.20
  6. Step 6: Final answer
    x = 15,174.68

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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.