Home / 82,651.04-123,974.28-30,061.52

Finding the Fourth Proportional to 82,651.04, 123,974.28 and 30,061.52

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Solution

The fourth proportional to 82,651.04, 123,974.28 and 30,061.52 is: 45,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,651.04 : 123,974.28 = 30,061.52 : x
  2. Step 2: Convert to fraction form
    82,651.04/123,974.28 = 30,061.52/x
  3. Step 3: Cross multiply
    82,651.04x = 123,974.28 × 30,061.52
  4. Step 4: Simplify right side
    82,651.04x = 3,726,855,297.71
  5. Step 5: Solve for x
    x = 3,726,855,297.71/82,651.04
  6. Step 6: Final answer
    x = 45,091.45

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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.