Home / 57,023.82-78,689.88-33,146.64

Finding the Fourth Proportional to 57,023.82, 78,689.88 and 33,146.64

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Solution

The fourth proportional to 57,023.82, 78,689.88 and 33,146.64 is: 45,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.82 : 78,689.88 = 33,146.64 : x
  2. Step 2: Convert to fraction form
    57,023.82/78,689.88 = 33,146.64/x
  3. Step 3: Cross multiply
    57,023.82x = 78,689.88 × 33,146.64
  4. Step 4: Simplify right side
    57,023.82x = 2,608,305,124.00
  5. Step 5: Solve for x
    x = 2,608,305,124.00/57,023.82
  6. Step 6: Final answer
    x = 45,740.62

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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.