Home / 53,747.30-80,632.42-18,207.38

Finding the Fourth Proportional to 53,747.30, 80,632.42 and 18,207.38

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Solution

The fourth proportional to 53,747.30, 80,632.42 and 18,207.38 is: 27,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.30 : 80,632.42 = 18,207.38 : x
  2. Step 2: Convert to fraction form
    53,747.30/80,632.42 = 18,207.38/x
  3. Step 3: Cross multiply
    53,747.30x = 80,632.42 × 18,207.38
  4. Step 4: Simplify right side
    53,747.30x = 1,468,105,267.32
  5. Step 5: Solve for x
    x = 1,468,105,267.32/53,747.30
  6. Step 6: Final answer
    x = 27,314.96

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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.