Home / 54,856.26-75,701.20-29,705.76

Finding the Fourth Proportional to 54,856.26, 75,701.20 and 29,705.76

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Solution

The fourth proportional to 54,856.26, 75,701.20 and 29,705.76 is: 40,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.26 : 75,701.20 = 29,705.76 : x
  2. Step 2: Convert to fraction form
    54,856.26/75,701.20 = 29,705.76/x
  3. Step 3: Cross multiply
    54,856.26x = 75,701.20 × 29,705.76
  4. Step 4: Simplify right side
    54,856.26x = 2,248,761,151.88
  5. Step 5: Solve for x
    x = 2,248,761,151.88/54,856.26
  6. Step 6: Final answer
    x = 40,993.71

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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.