Home / 82,172.27-123,184.40-29,544.75

Finding the Fourth Proportional to 82,172.27, 123,184.40 and 29,544.75

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Solution

The fourth proportional to 82,172.27, 123,184.40 and 29,544.75 is: 44,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,172.27 : 123,184.40 = 29,544.75 : x
  2. Step 2: Convert to fraction form
    82,172.27/123,184.40 = 29,544.75/x
  3. Step 3: Cross multiply
    82,172.27x = 123,184.40 × 29,544.75
  4. Step 4: Simplify right side
    82,172.27x = 3,639,452,154.18
  5. Step 5: Solve for x
    x = 3,639,452,154.18/82,172.27
  6. Step 6: Final answer
    x = 44,290.51

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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.