Home / 66,514.22-91,791.54-36,301.48

Finding the Fourth Proportional to 66,514.22, 91,791.54 and 36,301.48

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Solution

The fourth proportional to 66,514.22, 91,791.54 and 36,301.48 is: 50,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.22 : 91,791.54 = 36,301.48 : x
  2. Step 2: Convert to fraction form
    66,514.22/91,791.54 = 36,301.48/x
  3. Step 3: Cross multiply
    66,514.22x = 91,791.54 × 36,301.48
  4. Step 4: Simplify right side
    66,514.22x = 3,332,168,753.48
  5. Step 5: Solve for x
    x = 3,332,168,753.48/66,514.22
  6. Step 6: Final answer
    x = 50,097.09

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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.