Home / 71,423.48-107,183.62-29,311.16

Finding the Fourth Proportional to 71,423.48, 107,183.62 and 29,311.16

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Solution

The fourth proportional to 71,423.48, 107,183.62 and 29,311.16 is: 43,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,423.48 : 107,183.62 = 29,311.16 : x
  2. Step 2: Convert to fraction form
    71,423.48/107,183.62 = 29,311.16/x
  3. Step 3: Cross multiply
    71,423.48x = 107,183.62 × 29,311.16
  4. Step 4: Simplify right side
    71,423.48x = 3,141,676,235.20
  5. Step 5: Solve for x
    x = 3,141,676,235.20/71,423.48
  6. Step 6: Final answer
    x = 43,986.60

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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.