Home / 114,991.35-172,424.42-40,091.35

Finding the Fourth Proportional to 114,991.35, 172,424.42 and 40,091.35

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Solution

The fourth proportional to 114,991.35, 172,424.42 and 40,091.35 is: 60,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,991.35 : 172,424.42 = 40,091.35 : x
  2. Step 2: Convert to fraction form
    114,991.35/172,424.42 = 40,091.35/x
  3. Step 3: Cross multiply
    114,991.35x = 172,424.42 × 40,091.35
  4. Step 4: Simplify right side
    114,991.35x = 6,912,727,770.77
  5. Step 5: Solve for x
    x = 6,912,727,770.77/114,991.35
  6. Step 6: Final answer
    x = 60,115.20

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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.