Home / 84,352.16-126,573.36-54,763.04

Finding the Fourth Proportional to 84,352.16, 126,573.36 and 54,763.04

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Solution

The fourth proportional to 84,352.16, 126,573.36 and 54,763.04 is: 82,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,352.16 : 126,573.36 = 54,763.04 : x
  2. Step 2: Convert to fraction form
    84,352.16/126,573.36 = 54,763.04/x
  3. Step 3: Cross multiply
    84,352.16x = 126,573.36 × 54,763.04
  4. Step 4: Simplify right side
    84,352.16x = 6,931,541,976.61
  5. Step 5: Solve for x
    x = 6,931,541,976.61/84,352.16
  6. Step 6: Final answer
    x = 82,173.85

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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.