Home / 103,636.20-155,454.30-37,081.55

Finding the Fourth Proportional to 103,636.20, 155,454.30 and 37,081.55

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Solution

The fourth proportional to 103,636.20, 155,454.30 and 37,081.55 is: 55,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.20 : 155,454.30 = 37,081.55 : x
  2. Step 2: Convert to fraction form
    103,636.20/155,454.30 = 37,081.55/x
  3. Step 3: Cross multiply
    103,636.20x = 155,454.30 × 37,081.55
  4. Step 4: Simplify right side
    103,636.20x = 5,764,485,620.89
  5. Step 5: Solve for x
    x = 5,764,485,620.89/103,636.20
  6. Step 6: Final answer
    x = 55,622.32

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1.5x scale

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.