Home / 75,855.18-113,833.54-31,481.96

Finding the Fourth Proportional to 75,855.18, 113,833.54 and 31,481.96

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Solution

The fourth proportional to 75,855.18, 113,833.54 and 31,481.96 is: 47,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,855.18 : 113,833.54 = 31,481.96 : x
  2. Step 2: Convert to fraction form
    75,855.18/113,833.54 = 31,481.96/x
  3. Step 3: Cross multiply
    75,855.18x = 113,833.54 × 31,481.96
  4. Step 4: Simplify right side
    75,855.18x = 3,583,702,952.94
  5. Step 5: Solve for x
    x = 3,583,702,952.94/75,855.18
  6. Step 6: Final answer
    x = 47,244.01

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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.