Home / 54,340.42-74,992.65-31,373.26

Finding the Fourth Proportional to 54,340.42, 74,992.65 and 31,373.26

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Solution

The fourth proportional to 54,340.42, 74,992.65 and 31,373.26 is: 43,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,340.42 : 74,992.65 = 31,373.26 : x
  2. Step 2: Convert to fraction form
    54,340.42/74,992.65 = 31,373.26/x
  3. Step 3: Cross multiply
    54,340.42x = 74,992.65 × 31,373.26
  4. Step 4: Simplify right side
    54,340.42x = 2,352,763,906.54
  5. Step 5: Solve for x
    x = 2,352,763,906.54/54,340.42
  6. Step 6: Final answer
    x = 43,296.76

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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.