Home / 110,972.28-153,141.72-60,671.28

Finding the Fourth Proportional to 110,972.28, 153,141.72 and 60,671.28

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Solution

The fourth proportional to 110,972.28, 153,141.72 and 60,671.28 is: 83,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,972.28 : 153,141.72 = 60,671.28 : x
  2. Step 2: Convert to fraction form
    110,972.28/153,141.72 = 60,671.28/x
  3. Step 3: Cross multiply
    110,972.28x = 153,141.72 × 60,671.28
  4. Step 4: Simplify right side
    110,972.28x = 9,291,304,173.80
  5. Step 5: Solve for x
    x = 9,291,304,173.80/110,972.28
  6. Step 6: Final answer
    x = 83,726.35

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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.