Home / 84,174.28-126,261.78-25,010.50

Finding the Fourth Proportional to 84,174.28, 126,261.78 and 25,010.50

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Solution

The fourth proportional to 84,174.28, 126,261.78 and 25,010.50 is: 37,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,174.28 : 126,261.78 = 25,010.50 : x
  2. Step 2: Convert to fraction form
    84,174.28/126,261.78 = 25,010.50/x
  3. Step 3: Cross multiply
    84,174.28x = 126,261.78 × 25,010.50
  4. Step 4: Simplify right side
    84,174.28x = 3,157,870,248.69
  5. Step 5: Solve for x
    x = 3,157,870,248.69/84,174.28
  6. Step 6: Final answer
    x = 37,515.86

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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.