Home / 86,589.27-129,769.09-44,467.65

Finding the Fourth Proportional to 86,589.27, 129,769.09 and 44,467.65

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Solution

The fourth proportional to 86,589.27, 129,769.09 and 44,467.65 is: 66,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589.27 : 129,769.09 = 44,467.65 : x
  2. Step 2: Convert to fraction form
    86,589.27/129,769.09 = 44,467.65/x
  3. Step 3: Cross multiply
    86,589.27x = 129,769.09 × 44,467.65
  4. Step 4: Simplify right side
    86,589.27x = 5,770,526,252.60
  5. Step 5: Solve for x
    x = 5,770,526,252.60/86,589.27
  6. Step 6: Final answer
    x = 66,642.51

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1.5x scale

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.