Home / 84,531.33-126,798.21-40,162.64

Finding the Fourth Proportional to 84,531.33, 126,798.21 and 40,162.64

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Solution

The fourth proportional to 84,531.33, 126,798.21 and 40,162.64 is: 60,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,531.33 : 126,798.21 = 40,162.64 : x
  2. Step 2: Convert to fraction form
    84,531.33/126,798.21 = 40,162.64/x
  3. Step 3: Cross multiply
    84,531.33x = 126,798.21 × 40,162.64
  4. Step 4: Simplify right side
    84,531.33x = 5,092,550,226.88
  5. Step 5: Solve for x
    x = 5,092,550,226.88/84,531.33
  6. Step 6: Final answer
    x = 60,244.53

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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.