Home / 58,081.26-80,176.61-39,243.90

Finding the Fourth Proportional to 58,081.26, 80,176.61 and 39,243.90

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Solution

The fourth proportional to 58,081.26, 80,176.61 and 39,243.90 is: 54,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,081.26 : 80,176.61 = 39,243.90 : x
  2. Step 2: Convert to fraction form
    58,081.26/80,176.61 = 39,243.90/x
  3. Step 3: Cross multiply
    58,081.26x = 80,176.61 × 39,243.90
  4. Step 4: Simplify right side
    58,081.26x = 3,146,442,668.96
  5. Step 5: Solve for x
    x = 3,146,442,668.96/58,081.26
  6. Step 6: Final answer
    x = 54,173.11

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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.