Home / 96,121.86-132,648.06-53,680.42

Finding the Fourth Proportional to 96,121.86, 132,648.06 and 53,680.42

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Solution

The fourth proportional to 96,121.86, 132,648.06 and 53,680.42 is: 74,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,121.86 : 132,648.06 = 53,680.42 : x
  2. Step 2: Convert to fraction form
    96,121.86/132,648.06 = 53,680.42/x
  3. Step 3: Cross multiply
    96,121.86x = 132,648.06 × 53,680.42
  4. Step 4: Simplify right side
    96,121.86x = 7,120,603,572.99
  5. Step 5: Solve for x
    x = 7,120,603,572.99/96,121.86
  6. Step 6: Final answer
    x = 74,078.92

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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.