Home / 79,986.32-119,933.04-27,381.68

Finding the Fourth Proportional to 79,986.32, 119,933.04 and 27,381.68

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Solution

The fourth proportional to 79,986.32, 119,933.04 and 27,381.68 is: 41,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986.32 : 119,933.04 = 27,381.68 : x
  2. Step 2: Convert to fraction form
    79,986.32/119,933.04 = 27,381.68/x
  3. Step 3: Cross multiply
    79,986.32x = 119,933.04 × 27,381.68
  4. Step 4: Simplify right side
    79,986.32x = 3,283,968,122.71
  5. Step 5: Solve for x
    x = 3,283,968,122.71/79,986.32
  6. Step 6: Final answer
    x = 41,056.62

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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.