Home / 99,799.17-149,666.36-33,221.43

Finding the Fourth Proportional to 99,799.17, 149,666.36 and 33,221.43

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Solution

The fourth proportional to 99,799.17, 149,666.36 and 33,221.43 is: 49,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,799.17 : 149,666.36 = 33,221.43 : x
  2. Step 2: Convert to fraction form
    99,799.17/149,666.36 = 33,221.43/x
  3. Step 3: Cross multiply
    99,799.17x = 149,666.36 × 33,221.43
  4. Step 4: Simplify right side
    99,799.17x = 4,972,130,335.99
  5. Step 5: Solve for x
    x = 4,972,130,335.99/99,799.17
  6. Step 6: Final answer
    x = 49,821.36

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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.