Home / 79,332.18-109,479.24-43,521.27

Finding the Fourth Proportional to 79,332.18, 109,479.24 and 43,521.27

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Solution

The fourth proportional to 79,332.18, 109,479.24 and 43,521.27 is: 60,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,332.18 : 109,479.24 = 43,521.27 : x
  2. Step 2: Convert to fraction form
    79,332.18/109,479.24 = 43,521.27/x
  3. Step 3: Cross multiply
    79,332.18x = 109,479.24 × 43,521.27
  4. Step 4: Simplify right side
    79,332.18x = 4,764,675,563.43
  5. Step 5: Solve for x
    x = 4,764,675,563.43/79,332.18
  6. Step 6: Final answer
    x = 60,059.81

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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.