Home / 79,081.20-118,583.40-43,983.60

Finding the Fourth Proportional to 79,081.20, 118,583.40 and 43,983.60

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Solution

The fourth proportional to 79,081.20, 118,583.40 and 43,983.60 is: 65,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,081.20 : 118,583.40 = 43,983.60 : x
  2. Step 2: Convert to fraction form
    79,081.20/118,583.40 = 43,983.60/x
  3. Step 3: Cross multiply
    79,081.20x = 118,583.40 × 43,983.60
  4. Step 4: Simplify right side
    79,081.20x = 5,215,724,832.24
  5. Step 5: Solve for x
    x = 5,215,724,832.24/79,081.20
  6. Step 6: Final answer
    x = 65,954.04

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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.