Home / 68,282.40-102,456.11-30,853.92

Finding the Fourth Proportional to 68,282.40, 102,456.11 and 30,853.92

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Solution

The fourth proportional to 68,282.40, 102,456.11 and 30,853.92 is: 46,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282.40 : 102,456.11 = 30,853.92 : x
  2. Step 2: Convert to fraction form
    68,282.40/102,456.11 = 30,853.92/x
  3. Step 3: Cross multiply
    68,282.40x = 102,456.11 × 30,853.92
  4. Step 4: Simplify right side
    68,282.40x = 3,161,172,621.45
  5. Step 5: Solve for x
    x = 3,161,172,621.45/68,282.40
  6. Step 6: Final answer
    x = 46,295.57

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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.