Home / 67,115.28-92,619.70-36,900.80

Finding the Fourth Proportional to 67,115.28, 92,619.70 and 36,900.80

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Solution

The fourth proportional to 67,115.28, 92,619.70 and 36,900.80 is: 50,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.28 : 92,619.70 = 36,900.80 : x
  2. Step 2: Convert to fraction form
    67,115.28/92,619.70 = 36,900.80/x
  3. Step 3: Cross multiply
    67,115.28x = 92,619.70 × 36,900.80
  4. Step 4: Simplify right side
    67,115.28x = 3,417,740,562.66
  5. Step 5: Solve for x
    x = 3,417,740,562.66/67,115.28
  6. Step 6: Final answer
    x = 50,923.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.