Home / 66,385.03-99,517.30-33,115.30

Finding the Fourth Proportional to 66,385.03, 99,517.30 and 33,115.30

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Solution

The fourth proportional to 66,385.03, 99,517.30 and 33,115.30 is: 49,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,385.03 : 99,517.30 = 33,115.30 : x
  2. Step 2: Convert to fraction form
    66,385.03/99,517.30 = 33,115.30/x
  3. Step 3: Cross multiply
    66,385.03x = 99,517.30 × 33,115.30
  4. Step 4: Simplify right side
    66,385.03x = 3,295,545,244.69
  5. Step 5: Solve for x
    x = 3,295,545,244.69/66,385.03
  6. Step 6: Final answer
    x = 49,642.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.