Home / 104,072.66-143,648.00-58,777.16

Finding the Fourth Proportional to 104,072.66, 143,648.00 and 58,777.16

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Solution

The fourth proportional to 104,072.66, 143,648.00 and 58,777.16 is: 81,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.66 : 143,648.00 = 58,777.16 : x
  2. Step 2: Convert to fraction form
    104,072.66/143,648.00 = 58,777.16/x
  3. Step 3: Cross multiply
    104,072.66x = 143,648.00 × 58,777.16
  4. Step 4: Simplify right side
    104,072.66x = 8,443,220,687.97
  5. Step 5: Solve for x
    x = 8,443,220,687.97/104,072.66
  6. Step 6: Final answer
    x = 81,128.13

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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.