Home / 88,608.48-122,278.60-48,321.30

Finding the Fourth Proportional to 88,608.48, 122,278.60 and 48,321.30

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Solution

The fourth proportional to 88,608.48, 122,278.60 and 48,321.30 is: 66,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,608.48 : 122,278.60 = 48,321.30 : x
  2. Step 2: Convert to fraction form
    88,608.48/122,278.60 = 48,321.30/x
  3. Step 3: Cross multiply
    88,608.48x = 122,278.60 × 48,321.30
  4. Step 4: Simplify right side
    88,608.48x = 5,908,661,161.32
  5. Step 5: Solve for x
    x = 5,908,661,161.32/88,608.48
  6. Step 6: Final answer
    x = 66,682.80

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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.