Home / 66,282.96-99,424.46-54,571.58

Finding the Fourth Proportional to 66,282.96, 99,424.46 and 54,571.58

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Solution

The fourth proportional to 66,282.96, 99,424.46 and 54,571.58 is: 81,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.96 : 99,424.46 = 54,571.58 : x
  2. Step 2: Convert to fraction form
    66,282.96/99,424.46 = 54,571.58/x
  3. Step 3: Cross multiply
    66,282.96x = 99,424.46 × 54,571.58
  4. Step 4: Simplify right side
    66,282.96x = 5,425,749,872.85
  5. Step 5: Solve for x
    x = 5,425,749,872.85/66,282.96
  6. Step 6: Final answer
    x = 81,857.39

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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.