Home / 79,670.11-119,417.68-27,039.95

Finding the Fourth Proportional to 79,670.11, 119,417.68 and 27,039.95

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Solution

The fourth proportional to 79,670.11, 119,417.68 and 27,039.95 is: 40,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.11 : 119,417.68 = 27,039.95 : x
  2. Step 2: Convert to fraction form
    79,670.11/119,417.68 = 27,039.95/x
  3. Step 3: Cross multiply
    79,670.11x = 119,417.68 × 27,039.95
  4. Step 4: Simplify right side
    79,670.11x = 3,229,048,428.66
  5. Step 5: Solve for x
    x = 3,229,048,428.66/79,670.11
  6. Step 6: Final answer
    x = 40,530.24

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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.