Home / 121,675.26-167,910.09-67,961.04

Finding the Fourth Proportional to 121,675.26, 167,910.09 and 67,961.04

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Solution

The fourth proportional to 121,675.26, 167,910.09 and 67,961.04 is: 93,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,675.26 : 167,910.09 = 67,961.04 : x
  2. Step 2: Convert to fraction form
    121,675.26/167,910.09 = 67,961.04/x
  3. Step 3: Cross multiply
    121,675.26x = 167,910.09 × 67,961.04
  4. Step 4: Simplify right side
    121,675.26x = 11,411,344,342.89
  5. Step 5: Solve for x
    x = 11,411,344,342.89/121,675.26
  6. Step 6: Final answer
    x = 93,785.25

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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.