Home / 88,975.69-122,786.43-48,689.44

Finding the Fourth Proportional to 88,975.69, 122,786.43 and 48,689.44

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Solution

The fourth proportional to 88,975.69, 122,786.43 and 48,689.44 is: 67,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.69 : 122,786.43 = 48,689.44 : x
  2. Step 2: Convert to fraction form
    88,975.69/122,786.43 = 48,689.44/x
  3. Step 3: Cross multiply
    88,975.69x = 122,786.43 × 48,689.44
  4. Step 4: Simplify right side
    88,975.69x = 5,978,402,516.30
  5. Step 5: Solve for x
    x = 5,978,402,516.30/88,975.69
  6. Step 6: Final answer
    x = 67,191.42

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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.