Home / 68,846.20-103,280.06-29,403.52

Finding the Fourth Proportional to 68,846.20, 103,280.06 and 29,403.52

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Solution

The fourth proportional to 68,846.20, 103,280.06 and 29,403.52 is: 44,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,846.20 : 103,280.06 = 29,403.52 : x
  2. Step 2: Convert to fraction form
    68,846.20/103,280.06 = 29,403.52/x
  3. Step 3: Cross multiply
    68,846.20x = 103,280.06 × 29,403.52
  4. Step 4: Simplify right side
    68,846.20x = 3,036,797,309.81
  5. Step 5: Solve for x
    x = 3,036,797,309.81/68,846.20
  6. Step 6: Final answer
    x = 44,109.88

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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.