Home / 68,279.88-102,349.44-26,148.48

Finding the Fourth Proportional to 68,279.88, 102,349.44 and 26,148.48

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Solution

The fourth proportional to 68,279.88, 102,349.44 and 26,148.48 is: 39,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,279.88 : 102,349.44 = 26,148.48 : x
  2. Step 2: Convert to fraction form
    68,279.88/102,349.44 = 26,148.48/x
  3. Step 3: Cross multiply
    68,279.88x = 102,349.44 × 26,148.48
  4. Step 4: Simplify right side
    68,279.88x = 2,676,282,284.85
  5. Step 5: Solve for x
    x = 2,676,282,284.85/68,279.88
  6. Step 6: Final answer
    x = 39,195.77

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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.