Home / 79,629.60-119,518.24-40,214.46

Finding the Fourth Proportional to 79,629.60, 119,518.24 and 40,214.46

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Solution

The fourth proportional to 79,629.60, 119,518.24 and 40,214.46 is: 60,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,629.60 : 119,518.24 = 40,214.46 : x
  2. Step 2: Convert to fraction form
    79,629.60/119,518.24 = 40,214.46/x
  3. Step 3: Cross multiply
    79,629.60x = 119,518.24 × 40,214.46
  4. Step 4: Simplify right side
    79,629.60x = 4,806,361,481.75
  5. Step 5: Solve for x
    x = 4,806,361,481.75/79,629.60
  6. Step 6: Final answer
    x = 60,358.98

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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.