Home / 70,799.16-106,204.68-18,208.56

Finding the Fourth Proportional to 70,799.16, 106,204.68 and 18,208.56

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Solution

The fourth proportional to 70,799.16, 106,204.68 and 18,208.56 is: 27,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,799.16 : 106,204.68 = 18,208.56 : x
  2. Step 2: Convert to fraction form
    70,799.16/106,204.68 = 18,208.56/x
  3. Step 3: Cross multiply
    70,799.16x = 106,204.68 × 18,208.56
  4. Step 4: Simplify right side
    70,799.16x = 1,933,834,288.06
  5. Step 5: Solve for x
    x = 1,933,834,288.06/70,799.16
  6. Step 6: Final answer
    x = 27,314.37

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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.