Home / 79,168.41-109,247.40-43,358.85

Finding the Fourth Proportional to 79,168.41, 109,247.40 and 43,358.85

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Solution

The fourth proportional to 79,168.41, 109,247.40 and 43,358.85 is: 59,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168.41 : 109,247.40 = 43,358.85 : x
  2. Step 2: Convert to fraction form
    79,168.41/109,247.40 = 43,358.85/x
  3. Step 3: Cross multiply
    79,168.41x = 109,247.40 × 43,358.85
  4. Step 4: Simplify right side
    79,168.41x = 4,736,841,629.49
  5. Step 5: Solve for x
    x = 4,736,841,629.49/79,168.41
  6. Step 6: Final answer
    x = 59,832.47

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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.