Home / 109,441.90-164,133.66-30,542.26

Finding the Fourth Proportional to 109,441.90, 164,133.66 and 30,542.26

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Solution

The fourth proportional to 109,441.90, 164,133.66 and 30,542.26 is: 45,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,441.90 : 164,133.66 = 30,542.26 : x
  2. Step 2: Convert to fraction form
    109,441.90/164,133.66 = 30,542.26/x
  3. Step 3: Cross multiply
    109,441.90x = 164,133.66 × 30,542.26
  4. Step 4: Simplify right side
    109,441.90x = 5,013,012,918.47
  5. Step 5: Solve for x
    x = 5,013,012,918.47/109,441.90
  6. Step 6: Final answer
    x = 45,805.24

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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.