Home / 81,093.24-111,902.58-50,877

Finding the Fourth Proportional to 81,093.24, 111,902.58 and 50,877

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Solution

The fourth proportional to 81,093.24, 111,902.58 and 50,877 is: 70,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,093.24 : 111,902.58 = 50,877 : x
  2. Step 2: Convert to fraction form
    81,093.24/111,902.58 = 50,877/x
  3. Step 3: Cross multiply
    81,093.24x = 111,902.58 × 50,877
  4. Step 4: Simplify right side
    81,093.24x = 5,693,267,562.66
  5. Step 5: Solve for x
    x = 5,693,267,562.66/81,093.24
  6. Step 6: Final answer
    x = 70,206.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.