Home / 79,199.28-109,295.06-43,390.60

Finding the Fourth Proportional to 79,199.28, 109,295.06 and 43,390.60

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Solution

The fourth proportional to 79,199.28, 109,295.06 and 43,390.60 is: 59,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,199.28 : 109,295.06 = 43,390.60 : x
  2. Step 2: Convert to fraction form
    79,199.28/109,295.06 = 43,390.60/x
  3. Step 3: Cross multiply
    79,199.28x = 109,295.06 × 43,390.60
  4. Step 4: Simplify right side
    79,199.28x = 4,742,378,230.44
  5. Step 5: Solve for x
    x = 4,742,378,230.44/79,199.28
  6. Step 6: Final answer
    x = 59,879.06

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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.