Home / 54,620-81,934.45-15,177.12

Finding the Fourth Proportional to 54,620, 81,934.45 and 15,177.12

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Solution

The fourth proportional to 54,620, 81,934.45 and 15,177.12 is: 22,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620 : 81,934.45 = 15,177.12 : x
  2. Step 2: Convert to fraction form
    54,620/81,934.45 = 15,177.12/x
  3. Step 3: Cross multiply
    54,620x = 81,934.45 × 15,177.12
  4. Step 4: Simplify right side
    54,620x = 1,243,528,494.23
  5. Step 5: Solve for x
    x = 1,243,528,494.23/54,620
  6. Step 6: Final answer
    x = 22,766.91

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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.