Home / 75,723.72-113,540.94-31,300.68

Finding the Fourth Proportional to 75,723.72, 113,540.94 and 31,300.68

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Solution

The fourth proportional to 75,723.72, 113,540.94 and 31,300.68 is: 46,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,723.72 : 113,540.94 = 31,300.68 : x
  2. Step 2: Convert to fraction form
    75,723.72/113,540.94 = 31,300.68/x
  3. Step 3: Cross multiply
    75,723.72x = 113,540.94 × 31,300.68
  4. Step 4: Simplify right side
    75,723.72x = 3,553,908,629.84
  5. Step 5: Solve for x
    x = 3,553,908,629.84/75,723.72
  6. Step 6: Final answer
    x = 46,932.57

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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.