Home / 79,247.05-109,372.13-49,042.10

Finding the Fourth Proportional to 79,247.05, 109,372.13 and 49,042.10

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Solution

The fourth proportional to 79,247.05, 109,372.13 and 49,042.10 is: 67,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,247.05 : 109,372.13 = 49,042.10 : x
  2. Step 2: Convert to fraction form
    79,247.05/109,372.13 = 49,042.10/x
  3. Step 3: Cross multiply
    79,247.05x = 109,372.13 × 49,042.10
  4. Step 4: Simplify right side
    79,247.05x = 5,363,839,332.71
  5. Step 5: Solve for x
    x = 5,363,839,332.71/79,247.05
  6. Step 6: Final answer
    x = 67,685.04

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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.