Home / 75,469.20-113,203.80-45,944.70

Finding the Fourth Proportional to 75,469.20, 113,203.80 and 45,944.70

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Solution

The fourth proportional to 75,469.20, 113,203.80 and 45,944.70 is: 68,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.20 : 113,203.80 = 45,944.70 : x
  2. Step 2: Convert to fraction form
    75,469.20/113,203.80 = 45,944.70/x
  3. Step 3: Cross multiply
    75,469.20x = 113,203.80 × 45,944.70
  4. Step 4: Simplify right side
    75,469.20x = 5,201,114,629.86
  5. Step 5: Solve for x
    x = 5,201,114,629.86/75,469.20
  6. Step 6: Final answer
    x = 68,917.05

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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.