Home / 121,097.14-167,114.06-67,385.62

Finding the Fourth Proportional to 121,097.14, 167,114.06 and 67,385.62

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Solution

The fourth proportional to 121,097.14, 167,114.06 and 67,385.62 is: 92,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,097.14 : 167,114.06 = 67,385.62 : x
  2. Step 2: Convert to fraction form
    121,097.14/167,114.06 = 67,385.62/x
  3. Step 3: Cross multiply
    121,097.14x = 167,114.06 × 67,385.62
  4. Step 4: Simplify right side
    121,097.14x = 11,261,084,668.48
  5. Step 5: Solve for x
    x = 11,261,084,668.48/121,097.14
  6. Step 6: Final answer
    x = 92,992.16

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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.