Home / 54,939.25-75,816.57-29,788.75

Finding the Fourth Proportional to 54,939.25, 75,816.57 and 29,788.75

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Solution

The fourth proportional to 54,939.25, 75,816.57 and 29,788.75 is: 41,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.25 : 75,816.57 = 29,788.75 : x
  2. Step 2: Convert to fraction form
    54,939.25/75,816.57 = 29,788.75/x
  3. Step 3: Cross multiply
    54,939.25x = 75,816.57 × 29,788.75
  4. Step 4: Simplify right side
    54,939.25x = 2,258,480,849.59
  5. Step 5: Solve for x
    x = 2,258,480,849.59/54,939.25
  6. Step 6: Final answer
    x = 41,108.69

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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.