Home / 79,340.28-109,485.92-43,529.52

Finding the Fourth Proportional to 79,340.28, 109,485.92 and 43,529.52

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Solution

The fourth proportional to 79,340.28, 109,485.92 and 43,529.52 is: 60,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340.28 : 109,485.92 = 43,529.52 : x
  2. Step 2: Convert to fraction form
    79,340.28/109,485.92 = 43,529.52/x
  3. Step 3: Cross multiply
    79,340.28x = 109,485.92 × 43,529.52
  4. Step 4: Simplify right side
    79,340.28x = 4,765,869,544.36
  5. Step 5: Solve for x
    x = 4,765,869,544.36/79,340.28
  6. Step 6: Final answer
    x = 60,068.73

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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.