Home / 82,612.83-123,919.01-23,448.56

Finding the Fourth Proportional to 82,612.83, 123,919.01 and 23,448.56

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Solution

The fourth proportional to 82,612.83, 123,919.01 and 23,448.56 is: 35,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,612.83 : 123,919.01 = 23,448.56 : x
  2. Step 2: Convert to fraction form
    82,612.83/123,919.01 = 23,448.56/x
  3. Step 3: Cross multiply
    82,612.83x = 123,919.01 × 23,448.56
  4. Step 4: Simplify right side
    82,612.83x = 2,905,721,604.29
  5. Step 5: Solve for x
    x = 2,905,721,604.29/82,612.83
  6. Step 6: Final answer
    x = 35,172.76

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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.