Home / 89,948.32-124,013.29-73,755.97

Finding the Fourth Proportional to 89,948.32, 124,013.29 and 73,755.97

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Solution

The fourth proportional to 89,948.32, 124,013.29 and 73,755.97 is: 101,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,948.32 : 124,013.29 = 73,755.97 : x
  2. Step 2: Convert to fraction form
    89,948.32/124,013.29 = 73,755.97/x
  3. Step 3: Cross multiply
    89,948.32x = 124,013.29 × 73,755.97
  4. Step 4: Simplify right side
    89,948.32x = 9,146,720,496.84
  5. Step 5: Solve for x
    x = 9,146,720,496.84/89,948.32
  6. Step 6: Final answer
    x = 101,688.62

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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.