Home / 88,512.40-122,149.52-48,226.78

Finding the Fourth Proportional to 88,512.40, 122,149.52 and 48,226.78

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Solution

The fourth proportional to 88,512.40, 122,149.52 and 48,226.78 is: 66,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,512.40 : 122,149.52 = 48,226.78 : x
  2. Step 2: Convert to fraction form
    88,512.40/122,149.52 = 48,226.78/x
  3. Step 3: Cross multiply
    88,512.40x = 122,149.52 × 48,226.78
  4. Step 4: Simplify right side
    88,512.40x = 5,890,878,028.15
  5. Step 5: Solve for x
    x = 5,890,878,028.15/88,512.40
  6. Step 6: Final answer
    x = 66,554.27

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1.5x scale

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.