Home / 54,936.20-75,811.53-31,063.73

Finding the Fourth Proportional to 54,936.20, 75,811.53 and 31,063.73

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Solution

The fourth proportional to 54,936.20, 75,811.53 and 31,063.73 is: 42,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,936.20 : 75,811.53 = 31,063.73 : x
  2. Step 2: Convert to fraction form
    54,936.20/75,811.53 = 31,063.73/x
  3. Step 3: Cross multiply
    54,936.20x = 75,811.53 × 31,063.73
  4. Step 4: Simplify right side
    54,936.20x = 2,354,988,519.75
  5. Step 5: Solve for x
    x = 2,354,988,519.75/54,936.20
  6. Step 6: Final answer
    x = 42,867.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.