Home / 89,183.60-133,732.20-49,698.80

Finding the Fourth Proportional to 89,183.60, 133,732.20 and 49,698.80

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Solution

The fourth proportional to 89,183.60, 133,732.20 and 49,698.80 is: 74,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.60 : 133,732.20 = 49,698.80 : x
  2. Step 2: Convert to fraction form
    89,183.60/133,732.20 = 49,698.80/x
  3. Step 3: Cross multiply
    89,183.60x = 133,732.20 × 49,698.80
  4. Step 4: Simplify right side
    89,183.60x = 6,646,329,861.36
  5. Step 5: Solve for x
    x = 6,646,329,861.36/89,183.60
  6. Step 6: Final answer
    x = 74,524.13

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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.