Home / 90,175.20-124,468.56-58,343.28

Finding the Fourth Proportional to 90,175.20, 124,468.56 and 58,343.28

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Solution

The fourth proportional to 90,175.20, 124,468.56 and 58,343.28 is: 80,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,175.20 : 124,468.56 = 58,343.28 : x
  2. Step 2: Convert to fraction form
    90,175.20/124,468.56 = 58,343.28/x
  3. Step 3: Cross multiply
    90,175.20x = 124,468.56 × 58,343.28
  4. Step 4: Simplify right side
    90,175.20x = 7,261,904,047.28
  5. Step 5: Solve for x
    x = 7,261,904,047.28/90,175.20
  6. Step 6: Final answer
    x = 80,531.06

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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.