Home / 88,975.87-122,786.71-48,689.64

Finding the Fourth Proportional to 88,975.87, 122,786.71 and 48,689.64

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Solution

The fourth proportional to 88,975.87, 122,786.71 and 48,689.64 is: 67,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.87 : 122,786.71 = 48,689.64 : x
  2. Step 2: Convert to fraction form
    88,975.87/122,786.71 = 48,689.64/x
  3. Step 3: Cross multiply
    88,975.87x = 122,786.71 × 48,689.64
  4. Step 4: Simplify right side
    88,975.87x = 5,978,440,063.65
  5. Step 5: Solve for x
    x = 5,978,440,063.65/88,975.87
  6. Step 6: Final answer
    x = 67,191.70

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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.