Home / 57,125.62-78,983.84-50,031.70

Finding the Fourth Proportional to 57,125.62, 78,983.84 and 50,031.70

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Solution

The fourth proportional to 57,125.62, 78,983.84 and 50,031.70 is: 69,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,125.62 : 78,983.84 = 50,031.70 : x
  2. Step 2: Convert to fraction form
    57,125.62/78,983.84 = 50,031.70/x
  3. Step 3: Cross multiply
    57,125.62x = 78,983.84 × 50,031.70
  4. Step 4: Simplify right side
    57,125.62x = 3,951,695,878.20
  5. Step 5: Solve for x
    x = 3,951,695,878.20/57,125.62
  6. Step 6: Final answer
    x = 69,175.55

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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.