Home / 89,039.10-133,645.05-44,715.90

Finding the Fourth Proportional to 89,039.10, 133,645.05 and 44,715.90

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Solution

The fourth proportional to 89,039.10, 133,645.05 and 44,715.90 is: 67,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.10 : 133,645.05 = 44,715.90 : x
  2. Step 2: Convert to fraction form
    89,039.10/133,645.05 = 44,715.90/x
  3. Step 3: Cross multiply
    89,039.10x = 133,645.05 × 44,715.90
  4. Step 4: Simplify right side
    89,039.10x = 5,976,058,691.30
  5. Step 5: Solve for x
    x = 5,976,058,691.30/89,039.10
  6. Step 6: Final answer
    x = 67,117.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.