Home / 54,438.73-81,581.51-43,295.96

Finding the Fourth Proportional to 54,438.73, 81,581.51 and 43,295.96

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Solution

The fourth proportional to 54,438.73, 81,581.51 and 43,295.96 is: 64,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438.73 : 81,581.51 = 43,295.96 : x
  2. Step 2: Convert to fraction form
    54,438.73/81,581.51 = 43,295.96/x
  3. Step 3: Cross multiply
    54,438.73x = 81,581.51 × 43,295.96
  4. Step 4: Simplify right side
    54,438.73x = 3,532,149,793.70
  5. Step 5: Solve for x
    x = 3,532,149,793.70/54,438.73
  6. Step 6: Final answer
    x = 64,883.03

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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.