Home / 79,324.23-109,423.26-49,090.31

Finding the Fourth Proportional to 79,324.23, 109,423.26 and 49,090.31

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Solution

The fourth proportional to 79,324.23, 109,423.26 and 49,090.31 is: 67,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.23 : 109,423.26 = 49,090.31 : x
  2. Step 2: Convert to fraction form
    79,324.23/109,423.26 = 49,090.31/x
  3. Step 3: Cross multiply
    79,324.23x = 109,423.26 × 49,090.31
  4. Step 4: Simplify right side
    79,324.23x = 5,371,621,207.49
  5. Step 5: Solve for x
    x = 5,371,621,207.49/79,324.23
  6. Step 6: Final answer
    x = 67,717.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.