Home / 103,634.90-155,375.55-44,422.10

Finding the Fourth Proportional to 103,634.90, 155,375.55 and 44,422.10

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Solution

The fourth proportional to 103,634.90, 155,375.55 and 44,422.10 is: 66,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.90 : 155,375.55 = 44,422.10 : x
  2. Step 2: Convert to fraction form
    103,634.90/155,375.55 = 44,422.10/x
  3. Step 3: Cross multiply
    103,634.90x = 155,375.55 × 44,422.10
  4. Step 4: Simplify right side
    103,634.90x = 6,902,108,219.66
  5. Step 5: Solve for x
    x = 6,902,108,219.66/103,634.90
  6. Step 6: Final answer
    x = 66,600.23

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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.