Home / 79,724.66-119,365.53-40,161.82

Finding the Fourth Proportional to 79,724.66, 119,365.53 and 40,161.82

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Solution

The fourth proportional to 79,724.66, 119,365.53 and 40,161.82 is: 60,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,724.66 : 119,365.53 = 40,161.82 : x
  2. Step 2: Convert to fraction form
    79,724.66/119,365.53 = 40,161.82/x
  3. Step 3: Cross multiply
    79,724.66x = 119,365.53 × 40,161.82
  4. Step 4: Simplify right side
    79,724.66x = 4,793,936,930.06
  5. Step 5: Solve for x
    x = 4,793,936,930.06/79,724.66
  6. Step 6: Final answer
    x = 60,131.17

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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.