Home / 76,084.40-114,052.42-31,723.84

Finding the Fourth Proportional to 76,084.40, 114,052.42 and 31,723.84

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Solution

The fourth proportional to 76,084.40, 114,052.42 and 31,723.84 is: 47,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,084.40 : 114,052.42 = 31,723.84 : x
  2. Step 2: Convert to fraction form
    76,084.40/114,052.42 = 31,723.84/x
  3. Step 3: Cross multiply
    76,084.40x = 114,052.42 × 31,723.84
  4. Step 4: Simplify right side
    76,084.40x = 3,618,180,723.69
  5. Step 5: Solve for x
    x = 3,618,180,723.69/76,084.40
  6. Step 6: Final answer
    x = 47,554.83

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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.