Home / 121,028.05-167,005.83-67,304.44

Finding the Fourth Proportional to 121,028.05, 167,005.83 and 67,304.44

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Solution

The fourth proportional to 121,028.05, 167,005.83 and 67,304.44 is: 92,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,028.05 : 167,005.83 = 67,304.44 : x
  2. Step 2: Convert to fraction form
    121,028.05/167,005.83 = 67,304.44/x
  3. Step 3: Cross multiply
    121,028.05x = 167,005.83 × 67,304.44
  4. Step 4: Simplify right side
    121,028.05x = 11,240,233,864.89
  5. Step 5: Solve for x
    x = 11,240,233,864.89/121,028.05
  6. Step 6: Final answer
    x = 92,872.97

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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.