Home / 72,333.42-108,464.55-30,200.85

Finding the Fourth Proportional to 72,333.42, 108,464.55 and 30,200.85

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Solution

The fourth proportional to 72,333.42, 108,464.55 and 30,200.85 is: 45,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,333.42 : 108,464.55 = 30,200.85 : x
  2. Step 2: Convert to fraction form
    72,333.42/108,464.55 = 30,200.85/x
  3. Step 3: Cross multiply
    72,333.42x = 108,464.55 × 30,200.85
  4. Step 4: Simplify right side
    72,333.42x = 3,275,721,604.87
  5. Step 5: Solve for x
    x = 3,275,721,604.87/72,333.42
  6. Step 6: Final answer
    x = 45,286.42

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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.