Home / 121,024.94-167,020.58-67,311

Finding the Fourth Proportional to 121,024.94, 167,020.58 and 67,311

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Solution

The fourth proportional to 121,024.94, 167,020.58 and 67,311 is: 92,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,024.94 : 167,020.58 = 67,311 : x
  2. Step 2: Convert to fraction form
    121,024.94/167,020.58 = 67,311/x
  3. Step 3: Cross multiply
    121,024.94x = 167,020.58 × 67,311
  4. Step 4: Simplify right side
    121,024.94x = 11,242,322,428.66
  5. Step 5: Solve for x
    x = 11,242,322,428.66/121,024.94
  6. Step 6: Final answer
    x = 92,892.61

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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.