Home / 66,199.92-99,306.36-21,808.56

Finding the Fourth Proportional to 66,199.92, 99,306.36 and 21,808.56

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Solution

The fourth proportional to 66,199.92, 99,306.36 and 21,808.56 is: 32,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,199.92 : 99,306.36 = 21,808.56 : x
  2. Step 2: Convert to fraction form
    66,199.92/99,306.36 = 21,808.56/x
  3. Step 3: Cross multiply
    66,199.92x = 99,306.36 × 21,808.56
  4. Step 4: Simplify right side
    66,199.92x = 2,165,728,710.44
  5. Step 5: Solve for x
    x = 2,165,728,710.44/66,199.92
  6. Step 6: Final answer
    x = 32,714.97

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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.