Home / 110,972.52-153,142.60-60,671.52

Finding the Fourth Proportional to 110,972.52, 153,142.60 and 60,671.52

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Solution

The fourth proportional to 110,972.52, 153,142.60 and 60,671.52 is: 83,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,972.52 : 153,142.60 = 60,671.52 : x
  2. Step 2: Convert to fraction form
    110,972.52/153,142.60 = 60,671.52/x
  3. Step 3: Cross multiply
    110,972.52x = 153,142.60 × 60,671.52
  4. Step 4: Simplify right side
    110,972.52x = 9,291,394,318.75
  5. Step 5: Solve for x
    x = 9,291,394,318.75/110,972.52
  6. Step 6: Final answer
    x = 83,726.98

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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.