Home / 66,200.46-91,359.72-37,131.65

Finding the Fourth Proportional to 66,200.46, 91,359.72 and 37,131.65

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Solution

The fourth proportional to 66,200.46, 91,359.72 and 37,131.65 is: 51,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.46 : 91,359.72 = 37,131.65 : x
  2. Step 2: Convert to fraction form
    66,200.46/91,359.72 = 37,131.65/x
  3. Step 3: Cross multiply
    66,200.46x = 91,359.72 × 37,131.65
  4. Step 4: Simplify right side
    66,200.46x = 3,392,337,147.14
  5. Step 5: Solve for x
    x = 3,392,337,147.14/66,200.46
  6. Step 6: Final answer
    x = 51,243.41

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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.