Home / 50,183.70-75,288.20-35,421.45

Finding the Fourth Proportional to 50,183.70, 75,288.20 and 35,421.45

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Solution

The fourth proportional to 50,183.70, 75,288.20 and 35,421.45 is: 53,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,183.70 : 75,288.20 = 35,421.45 : x
  2. Step 2: Convert to fraction form
    50,183.70/75,288.20 = 35,421.45/x
  3. Step 3: Cross multiply
    50,183.70x = 75,288.20 × 35,421.45
  4. Step 4: Simplify right side
    50,183.70x = 2,666,817,034.78
  5. Step 5: Solve for x
    x = 2,666,817,034.78/50,183.70
  6. Step 6: Final answer
    x = 53,141.10

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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.