Home / 89,981.31-124,175.07-51,217.25

Finding the Fourth Proportional to 89,981.31, 124,175.07 and 51,217.25

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Solution

The fourth proportional to 89,981.31, 124,175.07 and 51,217.25 is: 70,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.31 : 124,175.07 = 51,217.25 : x
  2. Step 2: Convert to fraction form
    89,981.31/124,175.07 = 51,217.25/x
  3. Step 3: Cross multiply
    89,981.31x = 124,175.07 × 51,217.25
  4. Step 4: Simplify right side
    89,981.31x = 6,359,904,791.02
  5. Step 5: Solve for x
    x = 6,359,904,791.02/89,981.31
  6. Step 6: Final answer
    x = 70,680.28

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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.