Home / 68,195.67-102,279.53-42,883.57

Finding the Fourth Proportional to 68,195.67, 102,279.53 and 42,883.57

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Solution

The fourth proportional to 68,195.67, 102,279.53 and 42,883.57 is: 64,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,195.67 : 102,279.53 = 42,883.57 : x
  2. Step 2: Convert to fraction form
    68,195.67/102,279.53 = 42,883.57/x
  3. Step 3: Cross multiply
    68,195.67x = 102,279.53 × 42,883.57
  4. Step 4: Simplify right side
    68,195.67x = 4,386,111,786.43
  5. Step 5: Solve for x
    x = 4,386,111,786.43/68,195.67
  6. Step 6: Final answer
    x = 64,316.57

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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.