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Finding the Fourth Proportional to 84,037.86, 126,076.37 and 27,873.86

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Solution

The fourth proportional to 84,037.86, 126,076.37 and 27,873.86 is: 41,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.86 : 126,076.37 = 27,873.86 : x
  2. Step 2: Convert to fraction form
    84,037.86/126,076.37 = 27,873.86/x
  3. Step 3: Cross multiply
    84,037.86x = 126,076.37 × 27,873.86
  4. Step 4: Simplify right side
    84,037.86x = 3,514,235,086.69
  5. Step 5: Solve for x
    x = 3,514,235,086.69/84,037.86
  6. Step 6: Final answer
    x = 41,817.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.