Home / 82,217.27-123,323.19-34,819.70

Finding the Fourth Proportional to 82,217.27, 123,323.19 and 34,819.70

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Solution

The fourth proportional to 82,217.27, 123,323.19 and 34,819.70 is: 52,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,217.27 : 123,323.19 = 34,819.70 : x
  2. Step 2: Convert to fraction form
    82,217.27/123,323.19 = 34,819.70/x
  3. Step 3: Cross multiply
    82,217.27x = 123,323.19 × 34,819.70
  4. Step 4: Simplify right side
    82,217.27x = 4,294,076,478.84
  5. Step 5: Solve for x
    x = 4,294,076,478.84/82,217.27
  6. Step 6: Final answer
    x = 52,228.40

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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.