Home / 66,310.38-91,527.65-43,343.54

Finding the Fourth Proportional to 66,310.38, 91,527.65 and 43,343.54

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Solution

The fourth proportional to 66,310.38, 91,527.65 and 43,343.54 is: 59,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,310.38 : 91,527.65 = 43,343.54 : x
  2. Step 2: Convert to fraction form
    66,310.38/91,527.65 = 43,343.54/x
  3. Step 3: Cross multiply
    66,310.38x = 91,527.65 × 43,343.54
  4. Step 4: Simplify right side
    66,310.38x = 3,967,132,190.29
  5. Step 5: Solve for x
    x = 3,967,132,190.29/66,310.38
  6. Step 6: Final answer
    x = 59,826.71

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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.