Home / 112,054.20-167,694.60-69,342.12

Finding the Fourth Proportional to 112,054.20, 167,694.60 and 69,342.12

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Solution

The fourth proportional to 112,054.20, 167,694.60 and 69,342.12 is: 103,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,054.20 : 167,694.60 = 69,342.12 : x
  2. Step 2: Convert to fraction form
    112,054.20/167,694.60 = 69,342.12/x
  3. Step 3: Cross multiply
    112,054.20x = 167,694.60 × 69,342.12
  4. Step 4: Simplify right side
    112,054.20x = 11,628,299,076.55
  5. Step 5: Solve for x
    x = 11,628,299,076.55/112,054.20
  6. Step 6: Final answer
    x = 103,773.88

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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.