Home / 79,639.43-109,898.42-43,828.52

Finding the Fourth Proportional to 79,639.43, 109,898.42 and 43,828.52

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Solution

The fourth proportional to 79,639.43, 109,898.42 and 43,828.52 is: 60,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,639.43 : 109,898.42 = 43,828.52 : x
  2. Step 2: Convert to fraction form
    79,639.43/109,898.42 = 43,828.52/x
  3. Step 3: Cross multiply
    79,639.43x = 109,898.42 × 43,828.52
  4. Step 4: Simplify right side
    79,639.43x = 4,816,684,330.30
  5. Step 5: Solve for x
    x = 4,816,684,330.30/79,639.43
  6. Step 6: Final answer
    x = 60,481.15

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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.