Home / 87,825.06-131,754.60-28,644.84

Finding the Fourth Proportional to 87,825.06, 131,754.60 and 28,644.84

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Solution

The fourth proportional to 87,825.06, 131,754.60 and 28,644.84 is: 42,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,825.06 : 131,754.60 = 28,644.84 : x
  2. Step 2: Convert to fraction form
    87,825.06/131,754.60 = 28,644.84/x
  3. Step 3: Cross multiply
    87,825.06x = 131,754.60 × 28,644.84
  4. Step 4: Simplify right side
    87,825.06x = 3,774,089,436.26
  5. Step 5: Solve for x
    x = 3,774,089,436.26/87,825.06
  6. Step 6: Final answer
    x = 42,972.81

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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.