Home / 76,065.66-114,074.22-26,133.72

Finding the Fourth Proportional to 76,065.66, 114,074.22 and 26,133.72

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Solution

The fourth proportional to 76,065.66, 114,074.22 and 26,133.72 is: 39,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,065.66 : 114,074.22 = 26,133.72 : x
  2. Step 2: Convert to fraction form
    76,065.66/114,074.22 = 26,133.72/x
  3. Step 3: Cross multiply
    76,065.66x = 114,074.22 × 26,133.72
  4. Step 4: Simplify right side
    76,065.66x = 2,981,183,724.70
  5. Step 5: Solve for x
    x = 2,981,183,724.70/76,065.66
  6. Step 6: Final answer
    x = 39,192.24

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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.