Home / 79,723.60-119,429.72-48,481.36

Finding the Fourth Proportional to 79,723.60, 119,429.72 and 48,481.36

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Solution

The fourth proportional to 79,723.60, 119,429.72 and 48,481.36 is: 72,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723.60 : 119,429.72 = 48,481.36 : x
  2. Step 2: Convert to fraction form
    79,723.60/119,429.72 = 48,481.36/x
  3. Step 3: Cross multiply
    79,723.60x = 119,429.72 × 48,481.36
  4. Step 4: Simplify right side
    79,723.60x = 5,790,115,250.02
  5. Step 5: Solve for x
    x = 5,790,115,250.02/79,723.60
  6. Step 6: Final answer
    x = 72,627.37

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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.