Home / 96,072.90-132,572.70-55,773.78

Finding the Fourth Proportional to 96,072.90, 132,572.70 and 55,773.78

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Solution

The fourth proportional to 96,072.90, 132,572.70 and 55,773.78 is: 76,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,072.90 : 132,572.70 = 55,773.78 : x
  2. Step 2: Convert to fraction form
    96,072.90/132,572.70 = 55,773.78/x
  3. Step 3: Cross multiply
    96,072.90x = 132,572.70 × 55,773.78
  4. Step 4: Simplify right side
    96,072.90x = 7,394,080,603.81
  5. Step 5: Solve for x
    x = 7,394,080,603.81/96,072.90
  6. Step 6: Final answer
    x = 76,963.23

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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.