Home / 67,208.40-92,761.60-40,352.04

Finding the Fourth Proportional to 67,208.40, 92,761.60 and 40,352.04

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Solution

The fourth proportional to 67,208.40, 92,761.60 and 40,352.04 is: 55,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,208.40 : 92,761.60 = 40,352.04 : x
  2. Step 2: Convert to fraction form
    67,208.40/92,761.60 = 40,352.04/x
  3. Step 3: Cross multiply
    67,208.40x = 92,761.60 × 40,352.04
  4. Step 4: Simplify right side
    67,208.40x = 3,743,119,793.66
  5. Step 5: Solve for x
    x = 3,743,119,793.66/67,208.40
  6. Step 6: Final answer
    x = 55,694.23

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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.