Home / 75,951.43-113,926.69-30,972.61

Finding the Fourth Proportional to 75,951.43, 113,926.69 and 30,972.61

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Solution

The fourth proportional to 75,951.43, 113,926.69 and 30,972.61 is: 46,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,951.43 : 113,926.69 = 30,972.61 : x
  2. Step 2: Convert to fraction form
    75,951.43/113,926.69 = 30,972.61/x
  3. Step 3: Cross multiply
    75,951.43x = 113,926.69 × 30,972.61
  4. Step 4: Simplify right side
    75,951.43x = 3,528,606,937.96
  5. Step 5: Solve for x
    x = 3,528,606,937.96/75,951.43
  6. Step 6: Final answer
    x = 46,458.73

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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.