Home / 88,975.67-122,786.30-48,689.45

Finding the Fourth Proportional to 88,975.67, 122,786.30 and 48,689.45

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Solution

The fourth proportional to 88,975.67, 122,786.30 and 48,689.45 is: 67,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.67 : 122,786.30 = 48,689.45 : x
  2. Step 2: Convert to fraction form
    88,975.67/122,786.30 = 48,689.45/x
  3. Step 3: Cross multiply
    88,975.67x = 122,786.30 × 48,689.45
  4. Step 4: Simplify right side
    88,975.67x = 5,978,396,557.16
  5. Step 5: Solve for x
    x = 5,978,396,557.16/88,975.67
  6. Step 6: Final answer
    x = 67,191.37

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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.