Home / 96,638.30-133,361.82-54,195.92

Finding the Fourth Proportional to 96,638.30, 133,361.82 and 54,195.92

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Solution

The fourth proportional to 96,638.30, 133,361.82 and 54,195.92 is: 74,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,638.30 : 133,361.82 = 54,195.92 : x
  2. Step 2: Convert to fraction form
    96,638.30/133,361.82 = 54,195.92/x
  3. Step 3: Cross multiply
    96,638.30x = 133,361.82 × 54,195.92
  4. Step 4: Simplify right side
    96,638.30x = 7,227,666,527.77
  5. Step 5: Solve for x
    x = 7,227,666,527.77/96,638.30
  6. Step 6: Final answer
    x = 74,790.91

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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.