Home / 91,991.14-138,001.11-29,667.94

Finding the Fourth Proportional to 91,991.14, 138,001.11 and 29,667.94

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Solution

The fourth proportional to 91,991.14, 138,001.11 and 29,667.94 is: 44,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,991.14 : 138,001.11 = 29,667.94 : x
  2. Step 2: Convert to fraction form
    91,991.14/138,001.11 = 29,667.94/x
  3. Step 3: Cross multiply
    91,991.14x = 138,001.11 × 29,667.94
  4. Step 4: Simplify right side
    91,991.14x = 4,094,208,651.41
  5. Step 5: Solve for x
    x = 4,094,208,651.41/91,991.14
  6. Step 6: Final answer
    x = 44,506.55

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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.