Home / 84,619.66-126,680.42-62,531.57

Finding the Fourth Proportional to 84,619.66, 126,680.42 and 62,531.57

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Solution

The fourth proportional to 84,619.66, 126,680.42 and 62,531.57 is: 93,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.66 : 126,680.42 = 62,531.57 : x
  2. Step 2: Convert to fraction form
    84,619.66/126,680.42 = 62,531.57/x
  3. Step 3: Cross multiply
    84,619.66x = 126,680.42 × 62,531.57
  4. Step 4: Simplify right side
    84,619.66x = 7,921,525,550.86
  5. Step 5: Solve for x
    x = 7,921,525,550.86/84,619.66
  6. Step 6: Final answer
    x = 93,613.30

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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.