Home / 48,960.64-73,440.42-13,900.60

Finding the Fourth Proportional to 48,960.64, 73,440.42 and 13,900.60

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Solution

The fourth proportional to 48,960.64, 73,440.42 and 13,900.60 is: 20,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,960.64 : 73,440.42 = 13,900.60 : x
  2. Step 2: Convert to fraction form
    48,960.64/73,440.42 = 13,900.60/x
  3. Step 3: Cross multiply
    48,960.64x = 73,440.42 × 13,900.60
  4. Step 4: Simplify right side
    48,960.64x = 1,020,865,902.25
  5. Step 5: Solve for x
    x = 1,020,865,902.25/48,960.64
  6. Step 6: Final answer
    x = 20,850.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.