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Finding the Fourth Proportional to 88,635.92, 122,315.34 and 48,350.60

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Solution

The fourth proportional to 88,635.92, 122,315.34 and 48,350.60 is: 66,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,635.92 : 122,315.34 = 48,350.60 : x
  2. Step 2: Convert to fraction form
    88,635.92/122,315.34 = 48,350.60/x
  3. Step 3: Cross multiply
    88,635.92x = 122,315.34 × 48,350.60
  4. Step 4: Simplify right side
    88,635.92x = 5,914,020,078.20
  5. Step 5: Solve for x
    x = 5,914,020,078.20/88,635.92
  6. Step 6: Final answer
    x = 66,722.61

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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.