Home / 76,863.08-114,624.04-68,367.80

Finding the Fourth Proportional to 76,863.08, 114,624.04 and 68,367.80

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Solution

The fourth proportional to 76,863.08, 114,624.04 and 68,367.80 is: 101,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,863.08 : 114,624.04 = 68,367.80 : x
  2. Step 2: Convert to fraction form
    76,863.08/114,624.04 = 68,367.80/x
  3. Step 3: Cross multiply
    76,863.08x = 114,624.04 × 68,367.80
  4. Step 4: Simplify right side
    76,863.08x = 7,836,593,441.91
  5. Step 5: Solve for x
    x = 7,836,593,441.91/76,863.08
  6. Step 6: Final answer
    x = 101,955.24

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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.