Home / 112,867.48-169,336.98-67,938.04

Finding the Fourth Proportional to 112,867.48, 169,336.98 and 67,938.04

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Solution

The fourth proportional to 112,867.48, 169,336.98 and 67,938.04 is: 101,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,867.48 : 169,336.98 = 67,938.04 : x
  2. Step 2: Convert to fraction form
    112,867.48/169,336.98 = 67,938.04/x
  3. Step 3: Cross multiply
    112,867.48x = 169,336.98 × 67,938.04
  4. Step 4: Simplify right side
    112,867.48x = 11,504,422,520.72
  5. Step 5: Solve for x
    x = 11,504,422,520.72/112,867.48
  6. Step 6: Final answer
    x = 101,928.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.