Home / 121,484.41-167,648.74-67,768.04

Finding the Fourth Proportional to 121,484.41, 167,648.74 and 67,768.04

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Solution

The fourth proportional to 121,484.41, 167,648.74 and 67,768.04 is: 93,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,484.41 : 167,648.74 = 67,768.04 : x
  2. Step 2: Convert to fraction form
    121,484.41/167,648.74 = 67,768.04/x
  3. Step 3: Cross multiply
    121,484.41x = 167,648.74 × 67,768.04
  4. Step 4: Simplify right side
    121,484.41x = 11,361,226,767.97
  5. Step 5: Solve for x
    x = 11,361,226,767.97/121,484.41
  6. Step 6: Final answer
    x = 93,520.04

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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.