Home / 101,375.13-152,052.98-31,235.61

Finding the Fourth Proportional to 101,375.13, 152,052.98 and 31,235.61

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Solution

The fourth proportional to 101,375.13, 152,052.98 and 31,235.61 is: 46,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,375.13 : 152,052.98 = 31,235.61 : x
  2. Step 2: Convert to fraction form
    101,375.13/152,052.98 = 31,235.61/x
  3. Step 3: Cross multiply
    101,375.13x = 152,052.98 × 31,235.61
  4. Step 4: Simplify right side
    101,375.13x = 4,749,467,426.44
  5. Step 5: Solve for x
    x = 4,749,467,426.44/101,375.13
  6. Step 6: Final answer
    x = 46,850.42

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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.