Home / 89,872.85-124,028.29-49,589.22

Finding the Fourth Proportional to 89,872.85, 124,028.29 and 49,589.22

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Solution

The fourth proportional to 89,872.85, 124,028.29 and 49,589.22 is: 68,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,872.85 : 124,028.29 = 49,589.22 : x
  2. Step 2: Convert to fraction form
    89,872.85/124,028.29 = 49,589.22/x
  3. Step 3: Cross multiply
    89,872.85x = 124,028.29 × 49,589.22
  4. Step 4: Simplify right side
    89,872.85x = 6,150,466,500.17
  5. Step 5: Solve for x
    x = 6,150,466,500.17/89,872.85
  6. Step 6: Final answer
    x = 68,435.20

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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.