Home / 88,629.25-122,308.75-48,343.88

Finding the Fourth Proportional to 88,629.25, 122,308.75 and 48,343.88

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Solution

The fourth proportional to 88,629.25, 122,308.75 and 48,343.88 is: 66,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.25 : 122,308.75 = 48,343.88 : x
  2. Step 2: Convert to fraction form
    88,629.25/122,308.75 = 48,343.88/x
  3. Step 3: Cross multiply
    88,629.25x = 122,308.75 × 48,343.88
  4. Step 4: Simplify right side
    88,629.25x = 5,912,879,532.95
  5. Step 5: Solve for x
    x = 5,912,879,532.95/88,629.25
  6. Step 6: Final answer
    x = 66,714.76

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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.