Home / 80,387.23-120,598.12-27,084.50

Finding the Fourth Proportional to 80,387.23, 120,598.12 and 27,084.50

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Solution

The fourth proportional to 80,387.23, 120,598.12 and 27,084.50 is: 40,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,387.23 : 120,598.12 = 27,084.50 : x
  2. Step 2: Convert to fraction form
    80,387.23/120,598.12 = 27,084.50/x
  3. Step 3: Cross multiply
    80,387.23x = 120,598.12 × 27,084.50
  4. Step 4: Simplify right side
    80,387.23x = 3,266,339,781.14
  5. Step 5: Solve for x
    x = 3,266,339,781.14/80,387.23
  6. Step 6: Final answer
    x = 40,632.57

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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.