Home / 102,809.23-154,175.56-35,327.30

Finding the Fourth Proportional to 102,809.23, 154,175.56 and 35,327.30

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Solution

The fourth proportional to 102,809.23, 154,175.56 and 35,327.30 is: 52,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,809.23 : 154,175.56 = 35,327.30 : x
  2. Step 2: Convert to fraction form
    102,809.23/154,175.56 = 35,327.30/x
  3. Step 3: Cross multiply
    102,809.23x = 154,175.56 × 35,327.30
  4. Step 4: Simplify right side
    102,809.23x = 5,446,605,401.59
  5. Step 5: Solve for x
    x = 5,446,605,401.59/102,809.23
  6. Step 6: Final answer
    x = 52,977.79

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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.