Home / 75,648.20-113,496.60-50,716.40

Finding the Fourth Proportional to 75,648.20, 113,496.60 and 50,716.40

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Solution

The fourth proportional to 75,648.20, 113,496.60 and 50,716.40 is: 76,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,648.20 : 113,496.60 = 50,716.40 : x
  2. Step 2: Convert to fraction form
    75,648.20/113,496.60 = 50,716.40/x
  3. Step 3: Cross multiply
    75,648.20x = 113,496.60 × 50,716.40
  4. Step 4: Simplify right side
    75,648.20x = 5,756,138,964.24
  5. Step 5: Solve for x
    x = 5,756,138,964.24/75,648.20
  6. Step 6: Final answer
    x = 76,090.89

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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.