Home / 80,292.20-110,809.96-44,485.54

Finding the Fourth Proportional to 80,292.20, 110,809.96 and 44,485.54

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Solution

The fourth proportional to 80,292.20, 110,809.96 and 44,485.54 is: 61,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,292.20 : 110,809.96 = 44,485.54 : x
  2. Step 2: Convert to fraction form
    80,292.20/110,809.96 = 44,485.54/x
  3. Step 3: Cross multiply
    80,292.20x = 110,809.96 × 44,485.54
  4. Step 4: Simplify right side
    80,292.20x = 4,929,440,519.74
  5. Step 5: Solve for x
    x = 4,929,440,519.74/80,292.20
  6. Step 6: Final answer
    x = 61,393.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.