Home / 72,425.10-108,633.60-22,504.80

Finding the Fourth Proportional to 72,425.10, 108,633.60 and 22,504.80

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Solution

The fourth proportional to 72,425.10, 108,633.60 and 22,504.80 is: 33,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,425.10 : 108,633.60 = 22,504.80 : x
  2. Step 2: Convert to fraction form
    72,425.10/108,633.60 = 22,504.80/x
  3. Step 3: Cross multiply
    72,425.10x = 108,633.60 × 22,504.80
  4. Step 4: Simplify right side
    72,425.10x = 2,444,777,441.28
  5. Step 5: Solve for x
    x = 2,444,777,441.28/72,425.10
  6. Step 6: Final answer
    x = 33,755.94

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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.