Home / 54,876.06-75,729.20-29,725.56

Finding the Fourth Proportional to 54,876.06, 75,729.20 and 29,725.56

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Solution

The fourth proportional to 54,876.06, 75,729.20 and 29,725.56 is: 41,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.06 : 75,729.20 = 29,725.56 : x
  2. Step 2: Convert to fraction form
    54,876.06/75,729.20 = 29,725.56/x
  3. Step 3: Cross multiply
    54,876.06x = 75,729.20 × 29,725.56
  4. Step 4: Simplify right side
    54,876.06x = 2,251,092,729.72
  5. Step 5: Solve for x
    x = 2,251,092,729.72/54,876.06
  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.