Home / 84,548.28-126,785.05-25,372.62

Finding the Fourth Proportional to 84,548.28, 126,785.05 and 25,372.62

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Solution

The fourth proportional to 84,548.28, 126,785.05 and 25,372.62 is: 38,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,548.28 : 126,785.05 = 25,372.62 : x
  2. Step 2: Convert to fraction form
    84,548.28/126,785.05 = 25,372.62/x
  3. Step 3: Cross multiply
    84,548.28x = 126,785.05 × 25,372.62
  4. Step 4: Simplify right side
    84,548.28x = 3,216,868,895.33
  5. Step 5: Solve for x
    x = 3,216,868,895.33/84,548.28
  6. Step 6: Final answer
    x = 38,047.72

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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.