Home / 54,541.74-81,728.78-32,310.89

Finding the Fourth Proportional to 54,541.74, 81,728.78 and 32,310.89

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Solution

The fourth proportional to 54,541.74, 81,728.78 and 32,310.89 is: 48,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.74 : 81,728.78 = 32,310.89 : x
  2. Step 2: Convert to fraction form
    54,541.74/81,728.78 = 32,310.89/x
  3. Step 3: Cross multiply
    54,541.74x = 81,728.78 × 32,310.89
  4. Step 4: Simplify right side
    54,541.74x = 2,640,729,050.22
  5. Step 5: Solve for x
    x = 2,640,729,050.22/54,541.74
  6. Step 6: Final answer
    x = 48,416.66

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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.