Home / 66,230.20-99,377.70-50,429.80

Finding the Fourth Proportional to 66,230.20, 99,377.70 and 50,429.80

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Solution

The fourth proportional to 66,230.20, 99,377.70 and 50,429.80 is: 75,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.20 : 99,377.70 = 50,429.80 : x
  2. Step 2: Convert to fraction form
    66,230.20/99,377.70 = 50,429.80/x
  3. Step 3: Cross multiply
    66,230.20x = 99,377.70 × 50,429.80
  4. Step 4: Simplify right side
    66,230.20x = 5,011,597,535.46
  5. Step 5: Solve for x
    x = 5,011,597,535.46/66,230.20
  6. Step 6: Final answer
    x = 75,669.37

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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.