Home / 111,091.20-153,305.28-60,791.04

Finding the Fourth Proportional to 111,091.20, 153,305.28 and 60,791.04

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Solution

The fourth proportional to 111,091.20, 153,305.28 and 60,791.04 is: 83,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,091.20 : 153,305.28 = 60,791.04 : x
  2. Step 2: Convert to fraction form
    111,091.20/153,305.28 = 60,791.04/x
  3. Step 3: Cross multiply
    111,091.20x = 153,305.28 × 60,791.04
  4. Step 4: Simplify right side
    111,091.20x = 9,319,587,408.69
  5. Step 5: Solve for x
    x = 9,319,587,408.69/111,091.20
  6. Step 6: Final answer
    x = 83,891.32

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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.