Home / 84,295.38-126,443.18-25,129.59

Finding the Fourth Proportional to 84,295.38, 126,443.18 and 25,129.59

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Solution

The fourth proportional to 84,295.38, 126,443.18 and 25,129.59 is: 37,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,295.38 : 126,443.18 = 25,129.59 : x
  2. Step 2: Convert to fraction form
    84,295.38/126,443.18 = 25,129.59/x
  3. Step 3: Cross multiply
    84,295.38x = 126,443.18 × 25,129.59
  4. Step 4: Simplify right side
    84,295.38x = 3,177,465,430.25
  5. Step 5: Solve for x
    x = 3,177,465,430.25/84,295.38
  6. Step 6: Final answer
    x = 37,694.42

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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.