Home / 96,965.48-133,780.20-79,029.66

Finding the Fourth Proportional to 96,965.48, 133,780.20 and 79,029.66

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Solution

The fourth proportional to 96,965.48, 133,780.20 and 79,029.66 is: 109,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,965.48 : 133,780.20 = 79,029.66 : x
  2. Step 2: Convert to fraction form
    96,965.48/133,780.20 = 79,029.66/x
  3. Step 3: Cross multiply
    96,965.48x = 133,780.20 × 79,029.66
  4. Step 4: Simplify right side
    96,965.48x = 10,572,603,720.73
  5. Step 5: Solve for x
    x = 10,572,603,720.73/96,965.48
  6. Step 6: Final answer
    x = 109,034.72

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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.