Home / 88,769.78-122,497.33-50,538.64

Finding the Fourth Proportional to 88,769.78, 122,497.33 and 50,538.64

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Solution

The fourth proportional to 88,769.78, 122,497.33 and 50,538.64 is: 69,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,769.78 : 122,497.33 = 50,538.64 : x
  2. Step 2: Convert to fraction form
    88,769.78/122,497.33 = 50,538.64/x
  3. Step 3: Cross multiply
    88,769.78x = 122,497.33 × 50,538.64
  4. Step 4: Simplify right side
    88,769.78x = 6,190,847,596.65
  5. Step 5: Solve for x
    x = 6,190,847,596.65/88,769.78
  6. Step 6: Final answer
    x = 69,740.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.