Home / 101,517.39-152,276.09-31,395.15

Finding the Fourth Proportional to 101,517.39, 152,276.09 and 31,395.15

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Solution

The fourth proportional to 101,517.39, 152,276.09 and 31,395.15 is: 47,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,517.39 : 152,276.09 = 31,395.15 : x
  2. Step 2: Convert to fraction form
    101,517.39/152,276.09 = 31,395.15/x
  3. Step 3: Cross multiply
    101,517.39x = 152,276.09 × 31,395.15
  4. Step 4: Simplify right side
    101,517.39x = 4,780,730,529.99
  5. Step 5: Solve for x
    x = 4,780,730,529.99/101,517.39
  6. Step 6: Final answer
    x = 47,092.73

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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.