Home / 89,972.10-124,161.87-49,687.26

Finding the Fourth Proportional to 89,972.10, 124,161.87 and 49,687.26

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Solution

The fourth proportional to 89,972.10, 124,161.87 and 49,687.26 is: 68,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,972.10 : 124,161.87 = 49,687.26 : x
  2. Step 2: Convert to fraction form
    89,972.10/124,161.87 = 49,687.26/x
  3. Step 3: Cross multiply
    89,972.10x = 124,161.87 × 49,687.26
  4. Step 4: Simplify right side
    89,972.10x = 6,169,263,116.78
  5. Step 5: Solve for x
    x = 6,169,263,116.78/89,972.10
  6. Step 6: Final answer
    x = 68,568.62

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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.