Home / 54,718.64-82,028.28-28,392.56

Finding the Fourth Proportional to 54,718.64, 82,028.28 and 28,392.56

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Solution

The fourth proportional to 54,718.64, 82,028.28 and 28,392.56 is: 42,563.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,718.64 : 82,028.28 = 28,392.56 : x
  2. Step 2: Convert to fraction form
    54,718.64/82,028.28 = 28,392.56/x
  3. Step 3: Cross multiply
    54,718.64x = 82,028.28 × 28,392.56
  4. Step 4: Simplify right side
    54,718.64x = 2,328,992,861.60
  5. Step 5: Solve for x
    x = 2,328,992,861.60/54,718.64
  6. Step 6: Final answer
    x = 42,563.06

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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.