Home / 54,789.06-75,608.90-29,638.56

Finding the Fourth Proportional to 54,789.06, 75,608.90 and 29,638.56

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Solution

The fourth proportional to 54,789.06, 75,608.90 and 29,638.56 is: 40,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.06 : 75,608.90 = 29,638.56 : x
  2. Step 2: Convert to fraction form
    54,789.06/75,608.90 = 29,638.56/x
  3. Step 3: Cross multiply
    54,789.06x = 75,608.90 × 29,638.56
  4. Step 4: Simplify right side
    54,789.06x = 2,240,938,919.18
  5. Step 5: Solve for x
    x = 2,240,938,919.18/54,789.06
  6. Step 6: Final answer
    x = 40,901.21

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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.