Home / 103,634.20-155,451.30-37,079.55

Finding the Fourth Proportional to 103,634.20, 155,451.30 and 37,079.55

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Solution

The fourth proportional to 103,634.20, 155,451.30 and 37,079.55 is: 55,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.20 : 155,451.30 = 37,079.55 : x
  2. Step 2: Convert to fraction form
    103,634.20/155,451.30 = 37,079.55/x
  3. Step 3: Cross multiply
    103,634.20x = 155,451.30 × 37,079.55
  4. Step 4: Simplify right side
    103,634.20x = 5,764,064,250.92
  5. Step 5: Solve for x
    x = 5,764,064,250.92/103,634.20
  6. Step 6: Final answer
    x = 55,619.33

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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.