Home / 72,505.16-108,782.40-22,596.56

Finding the Fourth Proportional to 72,505.16, 108,782.40 and 22,596.56

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Solution

The fourth proportional to 72,505.16, 108,782.40 and 22,596.56 is: 33,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,505.16 : 108,782.40 = 22,596.56 : x
  2. Step 2: Convert to fraction form
    72,505.16/108,782.40 = 22,596.56/x
  3. Step 3: Cross multiply
    72,505.16x = 108,782.40 × 22,596.56
  4. Step 4: Simplify right side
    72,505.16x = 2,458,108,028.54
  5. Step 5: Solve for x
    x = 2,458,108,028.54/72,505.16
  6. Step 6: Final answer
    x = 33,902.53

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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.