Home / 68,293.20-102,169.52-51,701.12

Finding the Fourth Proportional to 68,293.20, 102,169.52 and 51,701.12

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Solution

The fourth proportional to 68,293.20, 102,169.52 and 51,701.12 is: 77,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,293.20 : 102,169.52 = 51,701.12 : x
  2. Step 2: Convert to fraction form
    68,293.20/102,169.52 = 51,701.12/x
  3. Step 3: Cross multiply
    68,293.20x = 102,169.52 × 51,701.12
  4. Step 4: Simplify right side
    68,293.20x = 5,282,278,613.86
  5. Step 5: Solve for x
    x = 5,282,278,613.86/68,293.20
  6. Step 6: Final answer
    x = 77,347.07

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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.