Home / 68,627.28-102,892.32-26,471.92

Finding the Fourth Proportional to 68,627.28, 102,892.32 and 26,471.92

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Solution

The fourth proportional to 68,627.28, 102,892.32 and 26,471.92 is: 39,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,627.28 : 102,892.32 = 26,471.92 : x
  2. Step 2: Convert to fraction form
    68,627.28/102,892.32 = 26,471.92/x
  3. Step 3: Cross multiply
    68,627.28x = 102,892.32 × 26,471.92
  4. Step 4: Simplify right side
    68,627.28x = 2,723,757,263.65
  5. Step 5: Solve for x
    x = 2,723,757,263.65/68,627.28
  6. Step 6: Final answer
    x = 39,689.13

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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.