Home / 66,209.22-91,370.46-35,996.58

Finding the Fourth Proportional to 66,209.22, 91,370.46 and 35,996.58

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Solution

The fourth proportional to 66,209.22, 91,370.46 and 35,996.58 is: 49,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.22 : 91,370.46 = 35,996.58 : x
  2. Step 2: Convert to fraction form
    66,209.22/91,370.46 = 35,996.58/x
  3. Step 3: Cross multiply
    66,209.22x = 91,370.46 × 35,996.58
  4. Step 4: Simplify right side
    66,209.22x = 3,289,024,073.03
  5. Step 5: Solve for x
    x = 3,289,024,073.03/66,209.22
  6. Step 6: Final answer
    x = 49,676.22

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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.