Home / 103,542.16-155,273.92-36,969.88

Finding the Fourth Proportional to 103,542.16, 155,273.92 and 36,969.88

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Solution

The fourth proportional to 103,542.16, 155,273.92 and 36,969.88 is: 55,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,542.16 : 155,273.92 = 36,969.88 : x
  2. Step 2: Convert to fraction form
    103,542.16/155,273.92 = 36,969.88/x
  3. Step 3: Cross multiply
    103,542.16x = 155,273.92 × 36,969.88
  4. Step 4: Simplify right side
    103,542.16x = 5,740,458,189.53
  5. Step 5: Solve for x
    x = 5,740,458,189.53/103,542.16
  6. Step 6: Final answer
    x = 55,440.78

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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.