Home / 54,513.12-81,801.18-22,920.66

Finding the Fourth Proportional to 54,513.12, 81,801.18 and 22,920.66

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Solution

The fourth proportional to 54,513.12, 81,801.18 and 22,920.66 is: 34,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.12 : 81,801.18 = 22,920.66 : x
  2. Step 2: Convert to fraction form
    54,513.12/81,801.18 = 22,920.66/x
  3. Step 3: Cross multiply
    54,513.12x = 81,801.18 × 22,920.66
  4. Step 4: Simplify right side
    54,513.12x = 1,874,937,034.38
  5. Step 5: Solve for x
    x = 1,874,937,034.38/54,513.12
  6. Step 6: Final answer
    x = 34,394.23

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1.5x scale

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.