Home / 84,516.52-126,898.98-47,149.60

Finding the Fourth Proportional to 84,516.52, 126,898.98 and 47,149.60

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Solution

The fourth proportional to 84,516.52, 126,898.98 and 47,149.60 is: 70,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,516.52 : 126,898.98 = 47,149.60 : x
  2. Step 2: Convert to fraction form
    84,516.52/126,898.98 = 47,149.60/x
  3. Step 3: Cross multiply
    84,516.52x = 126,898.98 × 47,149.60
  4. Step 4: Simplify right side
    84,516.52x = 5,983,236,147.41
  5. Step 5: Solve for x
    x = 5,983,236,147.41/84,516.52
  6. Step 6: Final answer
    x = 70,793.69

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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.