Home / 81,946.44-113,086.04-47,961.40

Finding the Fourth Proportional to 81,946.44, 113,086.04 and 47,961.40

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Solution

The fourth proportional to 81,946.44, 113,086.04 and 47,961.40 is: 66,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,946.44 : 113,086.04 = 47,961.40 : x
  2. Step 2: Convert to fraction form
    81,946.44/113,086.04 = 47,961.40/x
  3. Step 3: Cross multiply
    81,946.44x = 113,086.04 × 47,961.40
  4. Step 4: Simplify right side
    81,946.44x = 5,423,764,636.04
  5. Step 5: Solve for x
    x = 5,423,764,636.04/81,946.44
  6. Step 6: Final answer
    x = 66,186.70

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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.