Home / 66,605.20-99,908.90-22,232.18

Finding the Fourth Proportional to 66,605.20, 99,908.90 and 22,232.18

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Solution

The fourth proportional to 66,605.20, 99,908.90 and 22,232.18 is: 33,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,605.20 : 99,908.90 = 22,232.18 : x
  2. Step 2: Convert to fraction form
    66,605.20/99,908.90 = 22,232.18/x
  3. Step 3: Cross multiply
    66,605.20x = 99,908.90 × 22,232.18
  4. Step 4: Simplify right side
    66,605.20x = 2,221,192,648.40
  5. Step 5: Solve for x
    x = 2,221,192,648.40/66,605.20
  6. Step 6: Final answer
    x = 33,348.64

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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.