Home / 76,747.62-114,908.86-39,226.89

Finding the Fourth Proportional to 76,747.62, 114,908.86 and 39,226.89

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Solution

The fourth proportional to 76,747.62, 114,908.86 and 39,226.89 is: 58,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,747.62 : 114,908.86 = 39,226.89 : x
  2. Step 2: Convert to fraction form
    76,747.62/114,908.86 = 39,226.89/x
  3. Step 3: Cross multiply
    76,747.62x = 114,908.86 × 39,226.89
  4. Step 4: Simplify right side
    76,747.62x = 4,507,517,211.25
  5. Step 5: Solve for x
    x = 4,507,517,211.25/76,747.62
  6. Step 6: Final answer
    x = 58,731.69

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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.