Home / 79,639.20-119,298.56-36,884.43

Finding the Fourth Proportional to 79,639.20, 119,298.56 and 36,884.43

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Solution

The fourth proportional to 79,639.20, 119,298.56 and 36,884.43 is: 55,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,639.20 : 119,298.56 = 36,884.43 : x
  2. Step 2: Convert to fraction form
    79,639.20/119,298.56 = 36,884.43/x
  3. Step 3: Cross multiply
    79,639.20x = 119,298.56 × 36,884.43
  4. Step 4: Simplify right side
    79,639.20x = 4,400,259,201.00
  5. Step 5: Solve for x
    x = 4,400,259,201.00/79,639.20
  6. Step 6: Final answer
    x = 55,252.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.