Home / 80,022.43-119,963.94-30,089.17

Finding the Fourth Proportional to 80,022.43, 119,963.94 and 30,089.17

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Solution

The fourth proportional to 80,022.43, 119,963.94 and 30,089.17 is: 45,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,022.43 : 119,963.94 = 30,089.17 : x
  2. Step 2: Convert to fraction form
    80,022.43/119,963.94 = 30,089.17/x
  3. Step 3: Cross multiply
    80,022.43x = 119,963.94 × 30,089.17
  4. Step 4: Simplify right side
    80,022.43x = 3,609,615,421.65
  5. Step 5: Solve for x
    x = 3,609,615,421.65/80,022.43
  6. Step 6: Final answer
    x = 45,107.55

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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.