Home / 80,286.54-119,941.48-51,975.96

Finding the Fourth Proportional to 80,286.54, 119,941.48 and 51,975.96

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Solution

The fourth proportional to 80,286.54, 119,941.48 and 51,975.96 is: 77,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,286.54 : 119,941.48 = 51,975.96 : x
  2. Step 2: Convert to fraction form
    80,286.54/119,941.48 = 51,975.96/x
  3. Step 3: Cross multiply
    80,286.54x = 119,941.48 × 51,975.96
  4. Step 4: Simplify right side
    80,286.54x = 6,234,073,566.82
  5. Step 5: Solve for x
    x = 6,234,073,566.82/80,286.54
  6. Step 6: Final answer
    x = 77,647.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.