Home / 82,475.20-123,719.48-23,311.36

Finding the Fourth Proportional to 82,475.20, 123,719.48 and 23,311.36

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Solution

The fourth proportional to 82,475.20, 123,719.48 and 23,311.36 is: 34,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.20 : 123,719.48 = 23,311.36 : x
  2. Step 2: Convert to fraction form
    82,475.20/123,719.48 = 23,311.36/x
  3. Step 3: Cross multiply
    82,475.20x = 123,719.48 × 23,311.36
  4. Step 4: Simplify right side
    82,475.20x = 2,884,069,337.29
  5. Step 5: Solve for x
    x = 2,884,069,337.29/82,475.20
  6. Step 6: Final answer
    x = 34,968.93

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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.