Home / 121,470.26-167,636.47-67,022.17

Finding the Fourth Proportional to 121,470.26, 167,636.47 and 67,022.17

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Solution

The fourth proportional to 121,470.26, 167,636.47 and 67,022.17 is: 92,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,470.26 : 167,636.47 = 67,022.17 : x
  2. Step 2: Convert to fraction form
    121,470.26/167,636.47 = 67,022.17/x
  3. Step 3: Cross multiply
    121,470.26x = 167,636.47 × 67,022.17
  4. Step 4: Simplify right side
    121,470.26x = 11,235,359,152.36
  5. Step 5: Solve for x
    x = 11,235,359,152.36/121,470.26
  6. Step 6: Final answer
    x = 92,494.73

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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.