Home / 68,825.43-102,771.99-54,626.13

Finding the Fourth Proportional to 68,825.43, 102,771.99 and 54,626.13

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Solution

The fourth proportional to 68,825.43, 102,771.99 and 54,626.13 is: 81,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,825.43 : 102,771.99 = 54,626.13 : x
  2. Step 2: Convert to fraction form
    68,825.43/102,771.99 = 54,626.13/x
  3. Step 3: Cross multiply
    68,825.43x = 102,771.99 × 54,626.13
  4. Step 4: Simplify right side
    68,825.43x = 5,614,036,086.10
  5. Step 5: Solve for x
    x = 5,614,036,086.10/68,825.43
  6. Step 6: Final answer
    x = 81,569.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.