Home / 83,933.04-125,860.68-31,304.64

Finding the Fourth Proportional to 83,933.04, 125,860.68 and 31,304.64

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Solution

The fourth proportional to 83,933.04, 125,860.68 and 31,304.64 is: 46,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,933.04 : 125,860.68 = 31,304.64 : x
  2. Step 2: Convert to fraction form
    83,933.04/125,860.68 = 31,304.64/x
  3. Step 3: Cross multiply
    83,933.04x = 125,860.68 × 31,304.64
  4. Step 4: Simplify right side
    83,933.04x = 3,940,023,277.56
  5. Step 5: Solve for x
    x = 3,940,023,277.56/83,933.04
  6. Step 6: Final answer
    x = 46,942.46

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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.