Home / 89,316.88-133,769.94-49,786.45

Finding the Fourth Proportional to 89,316.88, 133,769.94 and 49,786.45

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Solution

The fourth proportional to 89,316.88, 133,769.94 and 49,786.45 is: 74,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.88 : 133,769.94 = 49,786.45 : x
  2. Step 2: Convert to fraction form
    89,316.88/133,769.94 = 49,786.45/x
  3. Step 3: Cross multiply
    89,316.88x = 133,769.94 × 49,786.45
  4. Step 4: Simplify right side
    89,316.88x = 6,659,930,429.31
  5. Step 5: Solve for x
    x = 6,659,930,429.31/89,316.88
  6. Step 6: Final answer
    x = 74,565.19

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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.