Home / 57,997.49-87,028.52-31,342.95

Finding the Fourth Proportional to 57,997.49, 87,028.52 and 31,342.95

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Solution

The fourth proportional to 57,997.49, 87,028.52 and 31,342.95 is: 47,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,997.49 : 87,028.52 = 31,342.95 : x
  2. Step 2: Convert to fraction form
    57,997.49/87,028.52 = 31,342.95/x
  3. Step 3: Cross multiply
    57,997.49x = 87,028.52 × 31,342.95
  4. Step 4: Simplify right side
    57,997.49x = 2,727,730,394.22
  5. Step 5: Solve for x
    x = 2,727,730,394.22/57,997.49
  6. Step 6: Final answer
    x = 47,031.87

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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.