Home / 88,728.40-122,446.38-48,441.70

Finding the Fourth Proportional to 88,728.40, 122,446.38 and 48,441.70

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Solution

The fourth proportional to 88,728.40, 122,446.38 and 48,441.70 is: 66,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.40 : 122,446.38 = 48,441.70 : x
  2. Step 2: Convert to fraction form
    88,728.40/122,446.38 = 48,441.70/x
  3. Step 3: Cross multiply
    88,728.40x = 122,446.38 × 48,441.70
  4. Step 4: Simplify right side
    88,728.40x = 5,931,510,806.05
  5. Step 5: Solve for x
    x = 5,931,510,806.05/88,728.40
  6. Step 6: Final answer
    x = 66,850.19

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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.