Home / 73,245-109,867.40-48,103.23

Finding the Fourth Proportional to 73,245, 109,867.40 and 48,103.23

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Solution

The fourth proportional to 73,245, 109,867.40 and 48,103.23 is: 72,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245 : 109,867.40 = 48,103.23 : x
  2. Step 2: Convert to fraction form
    73,245/109,867.40 = 48,103.23/x
  3. Step 3: Cross multiply
    73,245x = 109,867.40 × 48,103.23
  4. Step 4: Simplify right side
    73,245x = 5,284,976,571.19
  5. Step 5: Solve for x
    x = 5,284,976,571.19/73,245
  6. Step 6: Final answer
    x = 72,154.78

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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.