Home / 84,576.82-126,849.33-42,445.57

Finding the Fourth Proportional to 84,576.82, 126,849.33 and 42,445.57

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Solution

The fourth proportional to 84,576.82, 126,849.33 and 42,445.57 is: 63,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,576.82 : 126,849.33 = 42,445.57 : x
  2. Step 2: Convert to fraction form
    84,576.82/126,849.33 = 42,445.57/x
  3. Step 3: Cross multiply
    84,576.82x = 126,849.33 × 42,445.57
  4. Step 4: Simplify right side
    84,576.82x = 5,384,192,115.97
  5. Step 5: Solve for x
    x = 5,384,192,115.97/84,576.82
  6. Step 6: Final answer
    x = 63,660.38

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1.5x scale

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.