Home / 89,241.84-133,819.68-51,811.32

Finding the Fourth Proportional to 89,241.84, 133,819.68 and 51,811.32

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Solution

The fourth proportional to 89,241.84, 133,819.68 and 51,811.32 is: 77,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,241.84 : 133,819.68 = 51,811.32 : x
  2. Step 2: Convert to fraction form
    89,241.84/133,819.68 = 51,811.32/x
  3. Step 3: Cross multiply
    89,241.84x = 133,819.68 × 51,811.32
  4. Step 4: Simplify right side
    89,241.84x = 6,933,374,262.78
  5. Step 5: Solve for x
    x = 6,933,374,262.78/89,241.84
  6. Step 6: Final answer
    x = 77,691.97

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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.