Home / 84,820.85-117,092.61-49,003.94

Finding the Fourth Proportional to 84,820.85, 117,092.61 and 49,003.94

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Solution

The fourth proportional to 84,820.85, 117,092.61 and 49,003.94 is: 67,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,820.85 : 117,092.61 = 49,003.94 : x
  2. Step 2: Convert to fraction form
    84,820.85/117,092.61 = 49,003.94/x
  3. Step 3: Cross multiply
    84,820.85x = 117,092.61 × 49,003.94
  4. Step 4: Simplify right side
    84,820.85x = 5,737,998,649.42
  5. Step 5: Solve for x
    x = 5,737,998,649.42/84,820.85
  6. Step 6: Final answer
    x = 67,648.45

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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.