Home / 121,625.14-167,841.08-67,911.06

Finding the Fourth Proportional to 121,625.14, 167,841.08 and 67,911.06

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Solution

The fourth proportional to 121,625.14, 167,841.08 and 67,911.06 is: 93,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,625.14 : 167,841.08 = 67,911.06 : x
  2. Step 2: Convert to fraction form
    121,625.14/167,841.08 = 67,911.06/x
  3. Step 3: Cross multiply
    121,625.14x = 167,841.08 × 67,911.06
  4. Step 4: Simplify right side
    121,625.14x = 11,398,265,654.34
  5. Step 5: Solve for x
    x = 11,398,265,654.34/121,625.14
  6. Step 6: Final answer
    x = 93,716.36

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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.