Home / 54,439.05-81,672.48-26,372.55

Finding the Fourth Proportional to 54,439.05, 81,672.48 and 26,372.55

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Solution

The fourth proportional to 54,439.05, 81,672.48 and 26,372.55 is: 39,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,439.05 : 81,672.48 = 26,372.55 : x
  2. Step 2: Convert to fraction form
    54,439.05/81,672.48 = 26,372.55/x
  3. Step 3: Cross multiply
    54,439.05x = 81,672.48 × 26,372.55
  4. Step 4: Simplify right side
    54,439.05x = 2,153,911,562.42
  5. Step 5: Solve for x
    x = 2,153,911,562.42/54,439.05
  6. Step 6: Final answer
    x = 39,565.56

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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.