Home / 75,972.58-113,924.22-31,572.88

Finding the Fourth Proportional to 75,972.58, 113,924.22 and 31,572.88

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Solution

The fourth proportional to 75,972.58, 113,924.22 and 31,572.88 is: 47,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,972.58 : 113,924.22 = 31,572.88 : x
  2. Step 2: Convert to fraction form
    75,972.58/113,924.22 = 31,572.88/x
  3. Step 3: Cross multiply
    75,972.58x = 113,924.22 × 31,572.88
  4. Step 4: Simplify right side
    75,972.58x = 3,596,915,727.15
  5. Step 5: Solve for x
    x = 3,596,915,727.15/75,972.58
  6. Step 6: Final answer
    x = 47,344.92

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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.