Home / 79,743.04-119,617.41-27,145.69

Finding the Fourth Proportional to 79,743.04, 119,617.41 and 27,145.69

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Solution

The fourth proportional to 79,743.04, 119,617.41 and 27,145.69 is: 40,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,743.04 : 119,617.41 = 27,145.69 : x
  2. Step 2: Convert to fraction form
    79,743.04/119,617.41 = 27,145.69/x
  3. Step 3: Cross multiply
    79,743.04x = 119,617.41 × 27,145.69
  4. Step 4: Simplify right side
    79,743.04x = 3,247,097,130.46
  5. Step 5: Solve for x
    x = 3,247,097,130.46/79,743.04
  6. Step 6: Final answer
    x = 40,719.51

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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.