Home / 84,071.26-126,144.24-44,080.66

Finding the Fourth Proportional to 84,071.26, 126,144.24 and 44,080.66

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Solution

The fourth proportional to 84,071.26, 126,144.24 and 44,080.66 is: 66,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071.26 : 126,144.24 = 44,080.66 : x
  2. Step 2: Convert to fraction form
    84,071.26/126,144.24 = 44,080.66/x
  3. Step 3: Cross multiply
    84,071.26x = 126,144.24 × 44,080.66
  4. Step 4: Simplify right side
    84,071.26x = 5,560,521,354.40
  5. Step 5: Solve for x
    x = 5,560,521,354.40/84,071.26
  6. Step 6: Final answer
    x = 66,140.57

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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.