Home / 84,293.76-126,403.20-44,842.56

Finding the Fourth Proportional to 84,293.76, 126,403.20 and 44,842.56

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Solution

The fourth proportional to 84,293.76, 126,403.20 and 44,842.56 is: 67,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,293.76 : 126,403.20 = 44,842.56 : x
  2. Step 2: Convert to fraction form
    84,293.76/126,403.20 = 44,842.56/x
  3. Step 3: Cross multiply
    84,293.76x = 126,403.20 × 44,842.56
  4. Step 4: Simplify right side
    84,293.76x = 5,668,243,080.19
  5. Step 5: Solve for x
    x = 5,668,243,080.19/84,293.76
  6. Step 6: Final answer
    x = 67,243.92

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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.