Home / 75,967.44-113,991.96-31,624.80

Finding the Fourth Proportional to 75,967.44, 113,991.96 and 31,624.80

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Solution

The fourth proportional to 75,967.44, 113,991.96 and 31,624.80 is: 47,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,967.44 : 113,991.96 = 31,624.80 : x
  2. Step 2: Convert to fraction form
    75,967.44/113,991.96 = 31,624.80/x
  3. Step 3: Cross multiply
    75,967.44x = 113,991.96 × 31,624.80
  4. Step 4: Simplify right side
    75,967.44x = 3,604,972,936.61
  5. Step 5: Solve for x
    x = 3,604,972,936.61/75,967.44
  6. Step 6: Final answer
    x = 47,454.18

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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.