Home / 52,912.35-79,370.96-13,469.80

Finding the Fourth Proportional to 52,912.35, 79,370.96 and 13,469.80

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Solution

The fourth proportional to 52,912.35, 79,370.96 and 13,469.80 is: 20,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,912.35 : 79,370.96 = 13,469.80 : x
  2. Step 2: Convert to fraction form
    52,912.35/79,370.96 = 13,469.80/x
  3. Step 3: Cross multiply
    52,912.35x = 79,370.96 × 13,469.80
  4. Step 4: Simplify right side
    52,912.35x = 1,069,110,957.01
  5. Step 5: Solve for x
    x = 1,069,110,957.01/52,912.35
  6. Step 6: Final answer
    x = 20,205.32

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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.