Home / 75,262.89-112,727.78-30,754.61

Finding the Fourth Proportional to 75,262.89, 112,727.78 and 30,754.61

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Solution

The fourth proportional to 75,262.89, 112,727.78 and 30,754.61 is: 46,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,262.89 : 112,727.78 = 30,754.61 : x
  2. Step 2: Convert to fraction form
    75,262.89/112,727.78 = 30,754.61/x
  3. Step 3: Cross multiply
    75,262.89x = 112,727.78 × 30,754.61
  4. Step 4: Simplify right side
    75,262.89x = 3,466,898,910.07
  5. Step 5: Solve for x
    x = 3,466,898,910.07/75,262.89
  6. Step 6: Final answer
    x = 46,063.86

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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.