Home / 75,403.66-113,062.24-30,993.78

Finding the Fourth Proportional to 75,403.66, 113,062.24 and 30,993.78

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Solution

The fourth proportional to 75,403.66, 113,062.24 and 30,993.78 is: 46,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,403.66 : 113,062.24 = 30,993.78 : x
  2. Step 2: Convert to fraction form
    75,403.66/113,062.24 = 30,993.78/x
  3. Step 3: Cross multiply
    75,403.66x = 113,062.24 × 30,993.78
  4. Step 4: Simplify right side
    75,403.66x = 3,504,226,192.87
  5. Step 5: Solve for x
    x = 3,504,226,192.87/75,403.66
  6. Step 6: Final answer
    x = 46,472.89

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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.