Home / 68,213.85-102,320.61-26,098.08

Finding the Fourth Proportional to 68,213.85, 102,320.61 and 26,098.08

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Solution

The fourth proportional to 68,213.85, 102,320.61 and 26,098.08 is: 39,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,213.85 : 102,320.61 = 26,098.08 : x
  2. Step 2: Convert to fraction form
    68,213.85/102,320.61 = 26,098.08/x
  3. Step 3: Cross multiply
    68,213.85x = 102,320.61 × 26,098.08
  4. Step 4: Simplify right side
    68,213.85x = 2,670,371,465.43
  5. Step 5: Solve for x
    x = 2,670,371,465.43/68,213.85
  6. Step 6: Final answer
    x = 39,147.06

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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.