Home / 110,954.64-166,500-40,834.56

Finding the Fourth Proportional to 110,954.64, 166,500 and 40,834.56

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Solution

The fourth proportional to 110,954.64, 166,500 and 40,834.56 is: 61,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,954.64 : 166,500 = 40,834.56 : x
  2. Step 2: Convert to fraction form
    110,954.64/166,500 = 40,834.56/x
  3. Step 3: Cross multiply
    110,954.64x = 166,500 × 40,834.56
  4. Step 4: Simplify right side
    110,954.64x = 6,798,954,240
  5. Step 5: Solve for x
    x = 6,798,954,240/110,954.64
  6. Step 6: Final answer
    x = 61,276.88

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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.