Home / 79,664.59-119,570.82-40,249.41

Finding the Fourth Proportional to 79,664.59, 119,570.82 and 40,249.41

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Solution

The fourth proportional to 79,664.59, 119,570.82 and 40,249.41 is: 60,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,664.59 : 119,570.82 = 40,249.41 : x
  2. Step 2: Convert to fraction form
    79,664.59/119,570.82 = 40,249.41/x
  3. Step 3: Cross multiply
    79,664.59x = 119,570.82 × 40,249.41
  4. Step 4: Simplify right side
    79,664.59x = 4,812,654,958.22
  5. Step 5: Solve for x
    x = 4,812,654,958.22/79,664.59
  6. Step 6: Final answer
    x = 60,411.47

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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.