Home / 69,158.43-95,436.06-38,530.80

Finding the Fourth Proportional to 69,158.43, 95,436.06 and 38,530.80

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Solution

The fourth proportional to 69,158.43, 95,436.06 and 38,530.80 is: 53,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,158.43 : 95,436.06 = 38,530.80 : x
  2. Step 2: Convert to fraction form
    69,158.43/95,436.06 = 38,530.80/x
  3. Step 3: Cross multiply
    69,158.43x = 95,436.06 × 38,530.80
  4. Step 4: Simplify right side
    69,158.43x = 3,677,227,740.65
  5. Step 5: Solve for x
    x = 3,677,227,740.65/69,158.43
  6. Step 6: Final answer
    x = 53,171.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.