Home / 89,983.91-124,175.42-49,696.81

Finding the Fourth Proportional to 89,983.91, 124,175.42 and 49,696.81

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Solution

The fourth proportional to 89,983.91, 124,175.42 and 49,696.81 is: 68,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.91 : 124,175.42 = 49,696.81 : x
  2. Step 2: Convert to fraction form
    89,983.91/124,175.42 = 49,696.81/x
  3. Step 3: Cross multiply
    89,983.91x = 124,175.42 × 49,696.81
  4. Step 4: Simplify right side
    89,983.91x = 6,171,122,254.41
  5. Step 5: Solve for x
    x = 6,171,122,254.41/89,983.91
  6. Step 6: Final answer
    x = 68,580.29

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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.