Home / 77,571.11-116,350.16-30,811.43

Finding the Fourth Proportional to 77,571.11, 116,350.16 and 30,811.43

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Solution

The fourth proportional to 77,571.11, 116,350.16 and 30,811.43 is: 46,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,571.11 : 116,350.16 = 30,811.43 : x
  2. Step 2: Convert to fraction form
    77,571.11/116,350.16 = 30,811.43/x
  3. Step 3: Cross multiply
    77,571.11x = 116,350.16 × 30,811.43
  4. Step 4: Simplify right side
    77,571.11x = 3,584,914,810.33
  5. Step 5: Solve for x
    x = 3,584,914,810.33/77,571.11
  6. Step 6: Final answer
    x = 46,214.56

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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.