Home / 54,910.08-75,767.68-31,036.56

Finding the Fourth Proportional to 54,910.08, 75,767.68 and 31,036.56

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Solution

The fourth proportional to 54,910.08, 75,767.68 and 31,036.56 is: 42,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.08 : 75,767.68 = 31,036.56 : x
  2. Step 2: Convert to fraction form
    54,910.08/75,767.68 = 31,036.56/x
  3. Step 3: Cross multiply
    54,910.08x = 75,767.68 × 31,036.56
  4. Step 4: Simplify right side
    54,910.08x = 2,351,568,146.38
  5. Step 5: Solve for x
    x = 2,351,568,146.38/54,910.08
  6. Step 6: Final answer
    x = 42,825.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.