Home / 82,621.44-123,949.76-23,475.20

Finding the Fourth Proportional to 82,621.44, 123,949.76 and 23,475.20

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Solution

The fourth proportional to 82,621.44, 123,949.76 and 23,475.20 is: 35,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,621.44 : 123,949.76 = 23,475.20 : x
  2. Step 2: Convert to fraction form
    82,621.44/123,949.76 = 23,475.20/x
  3. Step 3: Cross multiply
    82,621.44x = 123,949.76 × 23,475.20
  4. Step 4: Simplify right side
    82,621.44x = 2,909,745,405.95
  5. Step 5: Solve for x
    x = 2,909,745,405.95/82,621.44
  6. Step 6: Final answer
    x = 35,217.80

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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.