Home / 88,467.90-122,083.26-48,180.78

Finding the Fourth Proportional to 88,467.90, 122,083.26 and 48,180.78

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Solution

The fourth proportional to 88,467.90, 122,083.26 and 48,180.78 is: 66,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,467.90 : 122,083.26 = 48,180.78 : x
  2. Step 2: Convert to fraction form
    88,467.90/122,083.26 = 48,180.78/x
  3. Step 3: Cross multiply
    88,467.90x = 122,083.26 × 48,180.78
  4. Step 4: Simplify right side
    88,467.90x = 5,882,066,691.74
  5. Step 5: Solve for x
    x = 5,882,066,691.74/88,467.90
  6. Step 6: Final answer
    x = 66,488.15

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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.