Home / 88,921.26-122,709.62-48,634.89

Finding the Fourth Proportional to 88,921.26, 122,709.62 and 48,634.89

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Solution

The fourth proportional to 88,921.26, 122,709.62 and 48,634.89 is: 67,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921.26 : 122,709.62 = 48,634.89 : x
  2. Step 2: Convert to fraction form
    88,921.26/122,709.62 = 48,634.89/x
  3. Step 3: Cross multiply
    88,921.26x = 122,709.62 × 48,634.89
  4. Step 4: Simplify right side
    88,921.26x = 5,967,968,627.47
  5. Step 5: Solve for x
    x = 5,967,968,627.47/88,921.26
  6. Step 6: Final answer
    x = 67,115.21

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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.