Home / 54,586.10-81,869.33-15,146.39

Finding the Fourth Proportional to 54,586.10, 81,869.33 and 15,146.39

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Solution

The fourth proportional to 54,586.10, 81,869.33 and 15,146.39 is: 22,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,586.10 : 81,869.33 = 15,146.39 : x
  2. Step 2: Convert to fraction form
    54,586.10/81,869.33 = 15,146.39/x
  3. Step 3: Cross multiply
    54,586.10x = 81,869.33 × 15,146.39
  4. Step 4: Simplify right side
    54,586.10x = 1,240,025,043.76
  5. Step 5: Solve for x
    x = 1,240,025,043.76/54,586.10
  6. Step 6: Final answer
    x = 22,716.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.