Home / 77,651.24-116,393.81-40,173.57

Finding the Fourth Proportional to 77,651.24, 116,393.81 and 40,173.57

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Solution

The fourth proportional to 77,651.24, 116,393.81 and 40,173.57 is: 60,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,651.24 : 116,393.81 = 40,173.57 : x
  2. Step 2: Convert to fraction form
    77,651.24/116,393.81 = 40,173.57/x
  3. Step 3: Cross multiply
    77,651.24x = 116,393.81 × 40,173.57
  4. Step 4: Simplify right side
    77,651.24x = 4,675,954,672.73
  5. Step 5: Solve for x
    x = 4,675,954,672.73/77,651.24
  6. Step 6: Final answer
    x = 60,217.39

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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.