Home / 88,679.37-122,380.13-48,395.73

Finding the Fourth Proportional to 88,679.37, 122,380.13 and 48,395.73

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Solution

The fourth proportional to 88,679.37, 122,380.13 and 48,395.73 is: 66,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.37 : 122,380.13 = 48,395.73 : x
  2. Step 2: Convert to fraction form
    88,679.37/122,380.13 = 48,395.73/x
  3. Step 3: Cross multiply
    88,679.37x = 122,380.13 × 48,395.73
  4. Step 4: Simplify right side
    88,679.37x = 5,922,675,728.84
  5. Step 5: Solve for x
    x = 5,922,675,728.84/88,679.37
  6. Step 6: Final answer
    x = 66,787.53

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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.