Home / 91,994.82-138,045.78-38,682.94

Finding the Fourth Proportional to 91,994.82, 138,045.78 and 38,682.94

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Solution

The fourth proportional to 91,994.82, 138,045.78 and 38,682.94 is: 58,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,994.82 : 138,045.78 = 38,682.94 : x
  2. Step 2: Convert to fraction form
    91,994.82/138,045.78 = 38,682.94/x
  3. Step 3: Cross multiply
    91,994.82x = 138,045.78 × 38,682.94
  4. Step 4: Simplify right side
    91,994.82x = 5,340,016,624.99
  5. Step 5: Solve for x
    x = 5,340,016,624.99/91,994.82
  6. Step 6: Final answer
    x = 58,046.93

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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.