Home / 75,711.72-113,481.48-46,064.22

Finding the Fourth Proportional to 75,711.72, 113,481.48 and 46,064.22

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Solution

The fourth proportional to 75,711.72, 113,481.48 and 46,064.22 is: 69,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,711.72 : 113,481.48 = 46,064.22 : x
  2. Step 2: Convert to fraction form
    75,711.72/113,481.48 = 46,064.22/x
  3. Step 3: Cross multiply
    75,711.72x = 113,481.48 × 46,064.22
  4. Step 4: Simplify right side
    75,711.72x = 5,227,435,860.65
  5. Step 5: Solve for x
    x = 5,227,435,860.65/75,711.72
  6. Step 6: Final answer
    x = 69,043.95

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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.