Home / 68,629.60-102,944.40-29,176.80

Finding the Fourth Proportional to 68,629.60, 102,944.40 and 29,176.80

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Solution

The fourth proportional to 68,629.60, 102,944.40 and 29,176.80 is: 43,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629.60 : 102,944.40 = 29,176.80 : x
  2. Step 2: Convert to fraction form
    68,629.60/102,944.40 = 29,176.80/x
  3. Step 3: Cross multiply
    68,629.60x = 102,944.40 × 29,176.80
  4. Step 4: Simplify right side
    68,629.60x = 3,003,588,169.92
  5. Step 5: Solve for x
    x = 3,003,588,169.92/68,629.60
  6. Step 6: Final answer
    x = 43,765.20

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1.5x scale

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.