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Finding the Fourth Proportional to 84,011.88, 115,939.02 and 48,208.44

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Solution

The fourth proportional to 84,011.88, 115,939.02 and 48,208.44 is: 66,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,011.88 : 115,939.02 = 48,208.44 : x
  2. Step 2: Convert to fraction form
    84,011.88/115,939.02 = 48,208.44/x
  3. Step 3: Cross multiply
    84,011.88x = 115,939.02 × 48,208.44
  4. Step 4: Simplify right side
    84,011.88x = 5,589,239,289.33
  5. Step 5: Solve for x
    x = 5,589,239,289.33/84,011.88
  6. Step 6: Final answer
    x = 66,529.15

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1.5x scale

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.