Home / 66,052.59-99,089.89-21,667.43

Finding the Fourth Proportional to 66,052.59, 99,089.89 and 21,667.43

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Solution

The fourth proportional to 66,052.59, 99,089.89 and 21,667.43 is: 32,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052.59 : 99,089.89 = 21,667.43 : x
  2. Step 2: Convert to fraction form
    66,052.59/99,089.89 = 21,667.43/x
  3. Step 3: Cross multiply
    66,052.59x = 99,089.89 × 21,667.43
  4. Step 4: Simplify right side
    66,052.59x = 2,147,022,705.66
  5. Step 5: Solve for x
    x = 2,147,022,705.66/66,052.59
  6. Step 6: Final answer
    x = 32,504.75

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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.