Home / 100,965.65-151,450.05-29,895.49

Finding the Fourth Proportional to 100,965.65, 151,450.05 and 29,895.49

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Solution

The fourth proportional to 100,965.65, 151,450.05 and 29,895.49 is: 44,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,965.65 : 151,450.05 = 29,895.49 : x
  2. Step 2: Convert to fraction form
    100,965.65/151,450.05 = 29,895.49/x
  3. Step 3: Cross multiply
    100,965.65x = 151,450.05 × 29,895.49
  4. Step 4: Simplify right side
    100,965.65x = 4,527,673,455.27
  5. Step 5: Solve for x
    x = 4,527,673,455.27/100,965.65
  6. Step 6: Final answer
    x = 44,843.70

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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.