Home / 82,462.20-123,693.30-49,219.80

Finding the Fourth Proportional to 82,462.20, 123,693.30 and 49,219.80

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Solution

The fourth proportional to 82,462.20, 123,693.30 and 49,219.80 is: 73,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,462.20 : 123,693.30 = 49,219.80 : x
  2. Step 2: Convert to fraction form
    82,462.20/123,693.30 = 49,219.80/x
  3. Step 3: Cross multiply
    82,462.20x = 123,693.30 × 49,219.80
  4. Step 4: Simplify right side
    82,462.20x = 6,088,159,487.34
  5. Step 5: Solve for x
    x = 6,088,159,487.34/82,462.20
  6. Step 6: Final answer
    x = 73,829.70

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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.