Home / 66,001.24-91,081.38-35,786.44

Finding the Fourth Proportional to 66,001.24, 91,081.38 and 35,786.44

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Solution

The fourth proportional to 66,001.24, 91,081.38 and 35,786.44 is: 49,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,001.24 : 91,081.38 = 35,786.44 : x
  2. Step 2: Convert to fraction form
    66,001.24/91,081.38 = 35,786.44/x
  3. Step 3: Cross multiply
    66,001.24x = 91,081.38 × 35,786.44
  4. Step 4: Simplify right side
    66,001.24x = 3,259,478,340.49
  5. Step 5: Solve for x
    x = 3,259,478,340.49/66,001.24
  6. Step 6: Final answer
    x = 49,385.11

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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.