Home / 54,043.93-74,596.31-31,388.05

Finding the Fourth Proportional to 54,043.93, 74,596.31 and 31,388.05

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Solution

The fourth proportional to 54,043.93, 74,596.31 and 31,388.05 is: 43,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,043.93 : 74,596.31 = 31,388.05 : x
  2. Step 2: Convert to fraction form
    54,043.93/74,596.31 = 31,388.05/x
  3. Step 3: Cross multiply
    54,043.93x = 74,596.31 × 31,388.05
  4. Step 4: Simplify right side
    54,043.93x = 2,341,432,708.10
  5. Step 5: Solve for x
    x = 2,341,432,708.10/54,043.93
  6. Step 6: Final answer
    x = 43,324.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.