Home / 73,310.23-109,943.40-38,230.75

Finding the Fourth Proportional to 73,310.23, 109,943.40 and 38,230.75

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Solution

The fourth proportional to 73,310.23, 109,943.40 and 38,230.75 is: 57,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,310.23 : 109,943.40 = 38,230.75 : x
  2. Step 2: Convert to fraction form
    73,310.23/109,943.40 = 38,230.75/x
  3. Step 3: Cross multiply
    73,310.23x = 109,943.40 × 38,230.75
  4. Step 4: Simplify right side
    73,310.23x = 4,203,218,089.83
  5. Step 5: Solve for x
    x = 4,203,218,089.83/73,310.23
  6. Step 6: Final answer
    x = 57,334.68

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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.