Home / 54,600.55-81,900.86-15,157.70

Finding the Fourth Proportional to 54,600.55, 81,900.86 and 15,157.70

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Solution

The fourth proportional to 54,600.55, 81,900.86 and 15,157.70 is: 22,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,600.55 : 81,900.86 = 15,157.70 : x
  2. Step 2: Convert to fraction form
    54,600.55/81,900.86 = 15,157.70/x
  3. Step 3: Cross multiply
    54,600.55x = 81,900.86 × 15,157.70
  4. Step 4: Simplify right side
    54,600.55x = 1,241,428,487.46
  5. Step 5: Solve for x
    x = 1,241,428,487.46/54,600.55
  6. Step 6: Final answer
    x = 22,736.56

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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.