Home / 54,432.12-81,671.33-26,373.08

Finding the Fourth Proportional to 54,432.12, 81,671.33 and 26,373.08

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Solution

The fourth proportional to 54,432.12, 81,671.33 and 26,373.08 is: 39,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.12 : 81,671.33 = 26,373.08 : x
  2. Step 2: Convert to fraction form
    54,432.12/81,671.33 = 26,373.08/x
  3. Step 3: Cross multiply
    54,432.12x = 81,671.33 × 26,373.08
  4. Step 4: Simplify right side
    54,432.12x = 2,153,923,979.57
  5. Step 5: Solve for x
    x = 2,153,923,979.57/54,432.12
  6. Step 6: Final answer
    x = 39,570.83

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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.