Home / 66,222.34-91,387.97-36,007.87

Finding the Fourth Proportional to 66,222.34, 91,387.97 and 36,007.87

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Solution

The fourth proportional to 66,222.34, 91,387.97 and 36,007.87 is: 49,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.34 : 91,387.97 = 36,007.87 : x
  2. Step 2: Convert to fraction form
    66,222.34/91,387.97 = 36,007.87/x
  3. Step 3: Cross multiply
    66,222.34x = 91,387.97 × 36,007.87
  4. Step 4: Simplify right side
    66,222.34x = 3,290,686,004.87
  5. Step 5: Solve for x
    x = 3,290,686,004.87/66,222.34
  6. Step 6: Final answer
    x = 49,691.48

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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.