Home / 66,229.09-91,397.04-37,934.75

Finding the Fourth Proportional to 66,229.09, 91,397.04 and 37,934.75

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Solution

The fourth proportional to 66,229.09, 91,397.04 and 37,934.75 is: 52,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.09 : 91,397.04 = 37,934.75 : x
  2. Step 2: Convert to fraction form
    66,229.09/91,397.04 = 37,934.75/x
  3. Step 3: Cross multiply
    66,229.09x = 91,397.04 × 37,934.75
  4. Step 4: Simplify right side
    66,229.09x = 3,467,123,863.14
  5. Step 5: Solve for x
    x = 3,467,123,863.14/66,229.09
  6. Step 6: Final answer
    x = 52,350.47

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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.