Home / 51,331.34-70,837.79-30,110.96

Finding the Fourth Proportional to 51,331.34, 70,837.79 and 30,110.96

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Solution

The fourth proportional to 51,331.34, 70,837.79 and 30,110.96 is: 41,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,331.34 : 70,837.79 = 30,110.96 : x
  2. Step 2: Convert to fraction form
    51,331.34/70,837.79 = 30,110.96/x
  3. Step 3: Cross multiply
    51,331.34x = 70,837.79 × 30,110.96
  4. Step 4: Simplify right side
    51,331.34x = 2,132,993,356.43
  5. Step 5: Solve for x
    x = 2,132,993,356.43/51,331.34
  6. Step 6: Final answer
    x = 41,553.44

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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.