Home / 54,137.62-74,723.45-43,340.32

Finding the Fourth Proportional to 54,137.62, 74,723.45 and 43,340.32

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Solution

The fourth proportional to 54,137.62, 74,723.45 and 43,340.32 is: 59,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.62 : 74,723.45 = 43,340.32 : x
  2. Step 2: Convert to fraction form
    54,137.62/74,723.45 = 43,340.32/x
  3. Step 3: Cross multiply
    54,137.62x = 74,723.45 × 43,340.32
  4. Step 4: Simplify right side
    54,137.62x = 3,238,538,234.50
  5. Step 5: Solve for x
    x = 3,238,538,234.50/54,137.62
  6. Step 6: Final answer
    x = 59,820.48

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1.5x scale

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.