Home / 66,034.08-91,107.12-40,514.24

Finding the Fourth Proportional to 66,034.08, 91,107.12 and 40,514.24

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Solution

The fourth proportional to 66,034.08, 91,107.12 and 40,514.24 is: 55,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,034.08 : 91,107.12 = 40,514.24 : x
  2. Step 2: Convert to fraction form
    66,034.08/91,107.12 = 40,514.24/x
  3. Step 3: Cross multiply
    66,034.08x = 91,107.12 × 40,514.24
  4. Step 4: Simplify right side
    66,034.08x = 3,691,135,725.39
  5. Step 5: Solve for x
    x = 3,691,135,725.39/66,034.08
  6. Step 6: Final answer
    x = 55,897.44

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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.