Home / 84,659.13-126,877.28-47,236.82

Finding the Fourth Proportional to 84,659.13, 126,877.28 and 47,236.82

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Solution

The fourth proportional to 84,659.13, 126,877.28 and 47,236.82 is: 70,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,659.13 : 126,877.28 = 47,236.82 : x
  2. Step 2: Convert to fraction form
    84,659.13/126,877.28 = 47,236.82/x
  3. Step 3: Cross multiply
    84,659.13x = 126,877.28 × 47,236.82
  4. Step 4: Simplify right side
    84,659.13x = 5,993,278,366.88
  5. Step 5: Solve for x
    x = 5,993,278,366.88/84,659.13
  6. Step 6: Final answer
    x = 70,793.05

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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.