Home / 104,243.55-143,871.56-66,006.66

Finding the Fourth Proportional to 104,243.55, 143,871.56 and 66,006.66

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Solution

The fourth proportional to 104,243.55, 143,871.56 and 66,006.66 is: 91,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,243.55 : 143,871.56 = 66,006.66 : x
  2. Step 2: Convert to fraction form
    104,243.55/143,871.56 = 66,006.66/x
  3. Step 3: Cross multiply
    104,243.55x = 143,871.56 × 66,006.66
  4. Step 4: Simplify right side
    104,243.55x = 9,496,481,309.61
  5. Step 5: Solve for x
    x = 9,496,481,309.61/104,243.55
  6. Step 6: Final answer
    x = 91,098.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.