Home / 121,674.27-167,899.55-67,951.83

Finding the Fourth Proportional to 121,674.27, 167,899.55 and 67,951.83

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Solution

The fourth proportional to 121,674.27, 167,899.55 and 67,951.83 is: 93,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,674.27 : 167,899.55 = 67,951.83 : x
  2. Step 2: Convert to fraction form
    121,674.27/167,899.55 = 67,951.83/x
  3. Step 3: Cross multiply
    121,674.27x = 167,899.55 × 67,951.83
  4. Step 4: Simplify right side
    121,674.27x = 11,409,081,338.92
  5. Step 5: Solve for x
    x = 11,409,081,338.92/121,674.27
  6. Step 6: Final answer
    x = 93,767.41

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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.