Home / 111,135.52-153,365.82-60,147.04

Finding the Fourth Proportional to 111,135.52, 153,365.82 and 60,147.04

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Solution

The fourth proportional to 111,135.52, 153,365.82 and 60,147.04 is: 83,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,135.52 : 153,365.82 = 60,147.04 : x
  2. Step 2: Convert to fraction form
    111,135.52/153,365.82 = 60,147.04/x
  3. Step 3: Cross multiply
    111,135.52x = 153,365.82 × 60,147.04
  4. Step 4: Simplify right side
    111,135.52x = 9,224,500,110.17
  5. Step 5: Solve for x
    x = 9,224,500,110.17/111,135.52
  6. Step 6: Final answer
    x = 83,002.27

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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.