Home / 79,470.83-109,669.19-43,171.94

Finding the Fourth Proportional to 79,470.83, 109,669.19 and 43,171.94

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Solution

The fourth proportional to 79,470.83, 109,669.19 and 43,171.94 is: 59,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,470.83 : 109,669.19 = 43,171.94 : x
  2. Step 2: Convert to fraction form
    79,470.83/109,669.19 = 43,171.94/x
  3. Step 3: Cross multiply
    79,470.83x = 109,669.19 × 43,171.94
  4. Step 4: Simplify right side
    79,470.83x = 4,734,630,926.32
  5. Step 5: Solve for x
    x = 4,734,630,926.32/79,470.83
  6. Step 6: Final answer
    x = 59,576.97

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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.