Home / 88,731.78-133,097.13-22,171.56

Finding the Fourth Proportional to 88,731.78, 133,097.13 and 22,171.56

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Solution

The fourth proportional to 88,731.78, 133,097.13 and 22,171.56 is: 33,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.78 : 133,097.13 = 22,171.56 : x
  2. Step 2: Convert to fraction form
    88,731.78/133,097.13 = 22,171.56/x
  3. Step 3: Cross multiply
    88,731.78x = 133,097.13 × 22,171.56
  4. Step 4: Simplify right side
    88,731.78x = 2,950,971,003.62
  5. Step 5: Solve for x
    x = 2,950,971,003.62/88,731.78
  6. Step 6: Final answer
    x = 33,257.21

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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.