Home / 54,541.08-81,680.40-31,096.44

Finding the Fourth Proportional to 54,541.08, 81,680.40 and 31,096.44

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Solution

The fourth proportional to 54,541.08, 81,680.40 and 31,096.44 is: 46,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.08 : 81,680.40 = 31,096.44 : x
  2. Step 2: Convert to fraction form
    54,541.08/81,680.40 = 31,096.44/x
  3. Step 3: Cross multiply
    54,541.08x = 81,680.40 × 31,096.44
  4. Step 4: Simplify right side
    54,541.08x = 2,539,969,657.78
  5. Step 5: Solve for x
    x = 2,539,969,657.78/54,541.08
  6. Step 6: Final answer
    x = 46,569.85

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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.