Home / 66,643.24-99,966.62-29,183.96

Finding the Fourth Proportional to 66,643.24, 99,966.62 and 29,183.96

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Solution

The fourth proportional to 66,643.24, 99,966.62 and 29,183.96 is: 43,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,643.24 : 99,966.62 = 29,183.96 : x
  2. Step 2: Convert to fraction form
    66,643.24/99,966.62 = 29,183.96/x
  3. Step 3: Cross multiply
    66,643.24x = 99,966.62 × 29,183.96
  4. Step 4: Simplify right side
    66,643.24x = 2,917,421,839.42
  5. Step 5: Solve for x
    x = 2,917,421,839.42/66,643.24
  6. Step 6: Final answer
    x = 43,776.71

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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.