Home / 68,897.89-95,076.01-38,682.66

Finding the Fourth Proportional to 68,897.89, 95,076.01 and 38,682.66

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Solution

The fourth proportional to 68,897.89, 95,076.01 and 38,682.66 is: 53,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,897.89 : 95,076.01 = 38,682.66 : x
  2. Step 2: Convert to fraction form
    68,897.89/95,076.01 = 38,682.66/x
  3. Step 3: Cross multiply
    68,897.89x = 95,076.01 × 38,682.66
  4. Step 4: Simplify right side
    68,897.89x = 3,677,793,373.87
  5. Step 5: Solve for x
    x = 3,677,793,373.87/68,897.89
  6. Step 6: Final answer
    x = 53,380.35

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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.