Home / 89,983.62-124,175.02-49,696.52

Finding the Fourth Proportional to 89,983.62, 124,175.02 and 49,696.52

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Solution

The fourth proportional to 89,983.62, 124,175.02 and 49,696.52 is: 68,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.62 : 124,175.02 = 49,696.52 : x
  2. Step 2: Convert to fraction form
    89,983.62/124,175.02 = 49,696.52/x
  3. Step 3: Cross multiply
    89,983.62x = 124,175.02 × 49,696.52
  4. Step 4: Simplify right side
    89,983.62x = 6,171,065,495.57
  5. Step 5: Solve for x
    x = 6,171,065,495.57/89,983.62
  6. Step 6: Final answer
    x = 68,579.88

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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.