Home / 68,510.79-102,766.05-25,824.20

Finding the Fourth Proportional to 68,510.79, 102,766.05 and 25,824.20

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Solution

The fourth proportional to 68,510.79, 102,766.05 and 25,824.20 is: 38,736.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,510.79 : 102,766.05 = 25,824.20 : x
  2. Step 2: Convert to fraction form
    68,510.79/102,766.05 = 25,824.20/x
  3. Step 3: Cross multiply
    68,510.79x = 102,766.05 × 25,824.20
  4. Step 4: Simplify right side
    68,510.79x = 2,653,850,514.58
  5. Step 5: Solve for x
    x = 2,653,850,514.58/68,510.79
  6. Step 6: Final answer
    x = 38,736.24

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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.