Home / 84,275.96-126,432.18-25,116.39

Finding the Fourth Proportional to 84,275.96, 126,432.18 and 25,116.39

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Solution

The fourth proportional to 84,275.96, 126,432.18 and 25,116.39 is: 37,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,275.96 : 126,432.18 = 25,116.39 : x
  2. Step 2: Convert to fraction form
    84,275.96/126,432.18 = 25,116.39/x
  3. Step 3: Cross multiply
    84,275.96x = 126,432.18 × 25,116.39
  4. Step 4: Simplify right side
    84,275.96x = 3,175,519,941.43
  5. Step 5: Solve for x
    x = 3,175,519,941.43/84,275.96
  6. Step 6: Final answer
    x = 37,680.02

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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.