Home / 81,059.26-111,861.34-47,076.10

Finding the Fourth Proportional to 81,059.26, 111,861.34 and 47,076.10

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Solution

The fourth proportional to 81,059.26, 111,861.34 and 47,076.10 is: 64,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,059.26 : 111,861.34 = 47,076.10 : x
  2. Step 2: Convert to fraction form
    81,059.26/111,861.34 = 47,076.10/x
  3. Step 3: Cross multiply
    81,059.26x = 111,861.34 × 47,076.10
  4. Step 4: Simplify right side
    81,059.26x = 5,265,995,627.97
  5. Step 5: Solve for x
    x = 5,265,995,627.97/81,059.26
  6. Step 6: Final answer
    x = 64,964.76

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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.