Home / 89,872.57-124,024.89-49,589.20

Finding the Fourth Proportional to 89,872.57, 124,024.89 and 49,589.20

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Solution

The fourth proportional to 89,872.57, 124,024.89 and 49,589.20 is: 68,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,872.57 : 124,024.89 = 49,589.20 : x
  2. Step 2: Convert to fraction form
    89,872.57/124,024.89 = 49,589.20/x
  3. Step 3: Cross multiply
    89,872.57x = 124,024.89 × 49,589.20
  4. Step 4: Simplify right side
    89,872.57x = 6,150,295,075.19
  5. Step 5: Solve for x
    x = 6,150,295,075.19/89,872.57
  6. Step 6: Final answer
    x = 68,433.51

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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.