Home / 52,233.68-78,321.09-16,686.65

Finding the Fourth Proportional to 52,233.68, 78,321.09 and 16,686.65

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Solution

The fourth proportional to 52,233.68, 78,321.09 and 16,686.65 is: 25,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,233.68 : 78,321.09 = 16,686.65 : x
  2. Step 2: Convert to fraction form
    52,233.68/78,321.09 = 16,686.65/x
  3. Step 3: Cross multiply
    52,233.68x = 78,321.09 × 16,686.65
  4. Step 4: Simplify right side
    52,233.68x = 1,306,916,287.42
  5. Step 5: Solve for x
    x = 1,306,916,287.42/52,233.68
  6. Step 6: Final answer
    x = 25,020.57

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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.