Home / 84,726.55-126,920.38-50,973.95

Finding the Fourth Proportional to 84,726.55, 126,920.38 and 50,973.95

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Solution

The fourth proportional to 84,726.55, 126,920.38 and 50,973.95 is: 76,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.55 : 126,920.38 = 50,973.95 : x
  2. Step 2: Convert to fraction form
    84,726.55/126,920.38 = 50,973.95/x
  3. Step 3: Cross multiply
    84,726.55x = 126,920.38 × 50,973.95
  4. Step 4: Simplify right side
    84,726.55x = 6,469,632,818.02
  5. Step 5: Solve for x
    x = 6,469,632,818.02/84,726.55
  6. Step 6: Final answer
    x = 76,358.98

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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.