Home / 54,523.44-81,680.88-45,695.24

Finding the Fourth Proportional to 54,523.44, 81,680.88 and 45,695.24

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Solution

The fourth proportional to 54,523.44, 81,680.88 and 45,695.24 is: 68,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,523.44 : 81,680.88 = 45,695.24 : x
  2. Step 2: Convert to fraction form
    54,523.44/81,680.88 = 45,695.24/x
  3. Step 3: Cross multiply
    54,523.44x = 81,680.88 × 45,695.24
  4. Step 4: Simplify right side
    54,523.44x = 3,732,427,415.01
  5. Step 5: Solve for x
    x = 3,732,427,415.01/54,523.44
  6. Step 6: Final answer
    x = 68,455.46

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1.5x scale

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.