Home / 68,033.12-102,050.76-25,915.56

Finding the Fourth Proportional to 68,033.12, 102,050.76 and 25,915.56

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Solution

The fourth proportional to 68,033.12, 102,050.76 and 25,915.56 is: 38,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,033.12 : 102,050.76 = 25,915.56 : x
  2. Step 2: Convert to fraction form
    68,033.12/102,050.76 = 25,915.56/x
  3. Step 3: Cross multiply
    68,033.12x = 102,050.76 × 25,915.56
  4. Step 4: Simplify right side
    68,033.12x = 2,644,702,593.83
  5. Step 5: Solve for x
    x = 2,644,702,593.83/68,033.12
  6. Step 6: Final answer
    x = 38,873.75

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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.