Home / 89,183.80-133,789.53-30,014.85

Finding the Fourth Proportional to 89,183.80, 133,789.53 and 30,014.85

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Solution

The fourth proportional to 89,183.80, 133,789.53 and 30,014.85 is: 45,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.80 : 133,789.53 = 30,014.85 : x
  2. Step 2: Convert to fraction form
    89,183.80/133,789.53 = 30,014.85/x
  3. Step 3: Cross multiply
    89,183.80x = 133,789.53 × 30,014.85
  4. Step 4: Simplify right side
    89,183.80x = 4,015,672,674.52
  5. Step 5: Solve for x
    x = 4,015,672,674.52/89,183.80
  6. Step 6: Final answer
    x = 45,026.93

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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.