Home / 66,600.20-91,923.72-43,943.24

Finding the Fourth Proportional to 66,600.20, 91,923.72 and 43,943.24

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Solution

The fourth proportional to 66,600.20, 91,923.72 and 43,943.24 is: 60,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,600.20 : 91,923.72 = 43,943.24 : x
  2. Step 2: Convert to fraction form
    66,600.20/91,923.72 = 43,943.24/x
  3. Step 3: Cross multiply
    66,600.20x = 91,923.72 × 43,943.24
  4. Step 4: Simplify right side
    66,600.20x = 4,039,426,089.65
  5. Step 5: Solve for x
    x = 4,039,426,089.65/66,600.20
  6. Step 6: Final answer
    x = 60,651.86

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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.