Home / 68,309.10-102,428.19-26,176.68

Finding the Fourth Proportional to 68,309.10, 102,428.19 and 26,176.68

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Solution

The fourth proportional to 68,309.10, 102,428.19 and 26,176.68 is: 39,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,309.10 : 102,428.19 = 26,176.68 : x
  2. Step 2: Convert to fraction form
    68,309.10/102,428.19 = 26,176.68/x
  3. Step 3: Cross multiply
    68,309.10x = 102,428.19 × 26,176.68
  4. Step 4: Simplify right side
    68,309.10x = 2,681,229,952.61
  5. Step 5: Solve for x
    x = 2,681,229,952.61/68,309.10
  6. Step 6: Final answer
    x = 39,251.43

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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.