Home / 74,217.20-111,325.80-50,716.40

Finding the Fourth Proportional to 74,217.20, 111,325.80 and 50,716.40

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Solution

The fourth proportional to 74,217.20, 111,325.80 and 50,716.40 is: 76,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,217.20 : 111,325.80 = 50,716.40 : x
  2. Step 2: Convert to fraction form
    74,217.20/111,325.80 = 50,716.40/x
  3. Step 3: Cross multiply
    74,217.20x = 111,325.80 × 50,716.40
  4. Step 4: Simplify right side
    74,217.20x = 5,646,043,803.12
  5. Step 5: Solve for x
    x = 5,646,043,803.12/74,217.20
  6. Step 6: Final answer
    x = 76,074.60

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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.