Home / 75,623.82-113,427.09-20,224.14

Finding the Fourth Proportional to 75,623.82, 113,427.09 and 20,224.14

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Solution

The fourth proportional to 75,623.82, 113,427.09 and 20,224.14 is: 30,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.82 : 113,427.09 = 20,224.14 : x
  2. Step 2: Convert to fraction form
    75,623.82/113,427.09 = 20,224.14/x
  3. Step 3: Cross multiply
    75,623.82x = 113,427.09 × 20,224.14
  4. Step 4: Simplify right side
    75,623.82x = 2,293,965,347.95
  5. Step 5: Solve for x
    x = 2,293,965,347.95/75,623.82
  6. Step 6: Final answer
    x = 30,333.90

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1.5x scale

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.