Home / 81,975.03-123,000.81-32,042.17

Finding the Fourth Proportional to 81,975.03, 123,000.81 and 32,042.17

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Solution

The fourth proportional to 81,975.03, 123,000.81 and 32,042.17 is: 48,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,975.03 : 123,000.81 = 32,042.17 : x
  2. Step 2: Convert to fraction form
    81,975.03/123,000.81 = 32,042.17/x
  3. Step 3: Cross multiply
    81,975.03x = 123,000.81 × 32,042.17
  4. Step 4: Simplify right side
    81,975.03x = 3,941,212,864.16
  5. Step 5: Solve for x
    x = 3,941,212,864.16/81,975.03
  6. Step 6: Final answer
    x = 48,078.21

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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.