Home / 84,610.20-126,915.30-34,673.70

Finding the Fourth Proportional to 84,610.20, 126,915.30 and 34,673.70

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Solution

The fourth proportional to 84,610.20, 126,915.30 and 34,673.70 is: 52,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,610.20 : 126,915.30 = 34,673.70 : x
  2. Step 2: Convert to fraction form
    84,610.20/126,915.30 = 34,673.70/x
  3. Step 3: Cross multiply
    84,610.20x = 126,915.30 × 34,673.70
  4. Step 4: Simplify right side
    84,610.20x = 4,400,623,037.61
  5. Step 5: Solve for x
    x = 4,400,623,037.61/84,610.20
  6. Step 6: Final answer
    x = 52,010.55

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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.