Home / 121,022.72-167,008.97-67,306.58

Finding the Fourth Proportional to 121,022.72, 167,008.97 and 67,306.58

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Solution

The fourth proportional to 121,022.72, 167,008.97 and 67,306.58 is: 92,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,022.72 : 167,008.97 = 67,306.58 : x
  2. Step 2: Convert to fraction form
    121,022.72/167,008.97 = 67,306.58/x
  3. Step 3: Cross multiply
    121,022.72x = 167,008.97 × 67,306.58
  4. Step 4: Simplify right side
    121,022.72x = 11,240,801,428.44
  5. Step 5: Solve for x
    x = 11,240,801,428.44/121,022.72
  6. Step 6: Final answer
    x = 92,881.75

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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.