Home / 83,076.30-114,700.14-51,291.90

Finding the Fourth Proportional to 83,076.30, 114,700.14 and 51,291.90

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Solution

The fourth proportional to 83,076.30, 114,700.14 and 51,291.90 is: 70,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,076.30 : 114,700.14 = 51,291.90 : x
  2. Step 2: Convert to fraction form
    83,076.30/114,700.14 = 51,291.90/x
  3. Step 3: Cross multiply
    83,076.30x = 114,700.14 × 51,291.90
  4. Step 4: Simplify right side
    83,076.30x = 5,883,188,110.87
  5. Step 5: Solve for x
    x = 5,883,188,110.87/83,076.30
  6. Step 6: Final answer
    x = 70,816.68

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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.