Home / 54,734.54-75,534.12-30,861.81

Finding the Fourth Proportional to 54,734.54, 75,534.12 and 30,861.81

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Solution

The fourth proportional to 54,734.54, 75,534.12 and 30,861.81 is: 42,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,734.54 : 75,534.12 = 30,861.81 : x
  2. Step 2: Convert to fraction form
    54,734.54/75,534.12 = 30,861.81/x
  3. Step 3: Cross multiply
    54,734.54x = 75,534.12 × 30,861.81
  4. Step 4: Simplify right side
    54,734.54x = 2,331,119,659.96
  5. Step 5: Solve for x
    x = 2,331,119,659.96/54,734.54
  6. Step 6: Final answer
    x = 42,589.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.