Home / 81,946.62-113,086.30-47,961.58

Finding the Fourth Proportional to 81,946.62, 113,086.30 and 47,961.58

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Solution

The fourth proportional to 81,946.62, 113,086.30 and 47,961.58 is: 66,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,946.62 : 113,086.30 = 47,961.58 : x
  2. Step 2: Convert to fraction form
    81,946.62/113,086.30 = 47,961.58/x
  3. Step 3: Cross multiply
    81,946.62x = 113,086.30 × 47,961.58
  4. Step 4: Simplify right side
    81,946.62x = 5,423,797,624.35
  5. Step 5: Solve for x
    x = 5,423,797,624.35/81,946.62
  6. Step 6: Final answer
    x = 66,186.96

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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.