Home / 51,138.82-70,593.41-34,381.54

Finding the Fourth Proportional to 51,138.82, 70,593.41 and 34,381.54

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Solution

The fourth proportional to 51,138.82, 70,593.41 and 34,381.54 is: 47,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,138.82 : 70,593.41 = 34,381.54 : x
  2. Step 2: Convert to fraction form
    51,138.82/70,593.41 = 34,381.54/x
  3. Step 3: Cross multiply
    51,138.82x = 70,593.41 × 34,381.54
  4. Step 4: Simplify right side
    51,138.82x = 2,427,109,624.78
  5. Step 5: Solve for x
    x = 2,427,109,624.78/51,138.82
  6. Step 6: Final answer
    x = 47,461.20

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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.