Home / 54,115.83-81,175.16-25,646.12

Finding the Fourth Proportional to 54,115.83, 81,175.16 and 25,646.12

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Solution

The fourth proportional to 54,115.83, 81,175.16 and 25,646.12 is: 38,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.83 : 81,175.16 = 25,646.12 : x
  2. Step 2: Convert to fraction form
    54,115.83/81,175.16 = 25,646.12/x
  3. Step 3: Cross multiply
    54,115.83x = 81,175.16 × 25,646.12
  4. Step 4: Simplify right side
    54,115.83x = 2,081,827,857.03
  5. Step 5: Solve for x
    x = 2,081,827,857.03/54,115.83
  6. Step 6: Final answer
    x = 38,469.85

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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.