Home / 54,876.08-75,728.92-29,725.68

Finding the Fourth Proportional to 54,876.08, 75,728.92 and 29,725.68

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Solution

The fourth proportional to 54,876.08, 75,728.92 and 29,725.68 is: 41,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.08 : 75,728.92 = 29,725.68 : x
  2. Step 2: Convert to fraction form
    54,876.08/75,728.92 = 29,725.68/x
  3. Step 3: Cross multiply
    54,876.08x = 75,728.92 × 29,725.68
  4. Step 4: Simplify right side
    54,876.08x = 2,251,093,642.67
  5. Step 5: Solve for x
    x = 2,251,093,642.67/54,876.08
  6. Step 6: Final answer
    x = 41,021.40

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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.