Home / 54,353.25-75,007.71-31,707.90

Finding the Fourth Proportional to 54,353.25, 75,007.71 and 31,707.90

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Solution

The fourth proportional to 54,353.25, 75,007.71 and 31,707.90 is: 43,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.25 : 75,007.71 = 31,707.90 : x
  2. Step 2: Convert to fraction form
    54,353.25/75,007.71 = 31,707.90/x
  3. Step 3: Cross multiply
    54,353.25x = 75,007.71 × 31,707.90
  4. Step 4: Simplify right side
    54,353.25x = 2,378,336,967.91
  5. Step 5: Solve for x
    x = 2,378,336,967.91/54,353.25
  6. Step 6: Final answer
    x = 43,757.03

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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.