Home / 52,716.40-79,074.60-50,441.20

Finding the Fourth Proportional to 52,716.40, 79,074.60 and 50,441.20

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Solution

The fourth proportional to 52,716.40, 79,074.60 and 50,441.20 is: 75,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.40 : 79,074.60 = 50,441.20 : x
  2. Step 2: Convert to fraction form
    52,716.40/79,074.60 = 50,441.20/x
  3. Step 3: Cross multiply
    52,716.40x = 79,074.60 × 50,441.20
  4. Step 4: Simplify right side
    52,716.40x = 3,988,617,713.52
  5. Step 5: Solve for x
    x = 3,988,617,713.52/52,716.40
  6. Step 6: Final answer
    x = 75,661.80

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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.