Home / 68,981.25-103,385.31-29,491.95

Finding the Fourth Proportional to 68,981.25, 103,385.31 and 29,491.95

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Solution

The fourth proportional to 68,981.25, 103,385.31 and 29,491.95 is: 44,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,981.25 : 103,385.31 = 29,491.95 : x
  2. Step 2: Convert to fraction form
    68,981.25/103,385.31 = 29,491.95/x
  3. Step 3: Cross multiply
    68,981.25x = 103,385.31 × 29,491.95
  4. Step 4: Simplify right side
    68,981.25x = 3,049,034,393.25
  5. Step 5: Solve for x
    x = 3,049,034,393.25/68,981.25
  6. Step 6: Final answer
    x = 44,200.92

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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.