Home / 80,431.20-110,994.08-44,620.32

Finding the Fourth Proportional to 80,431.20, 110,994.08 and 44,620.32

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Solution

The fourth proportional to 80,431.20, 110,994.08 and 44,620.32 is: 61,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,431.20 : 110,994.08 = 44,620.32 : x
  2. Step 2: Convert to fraction form
    80,431.20/110,994.08 = 44,620.32/x
  3. Step 3: Cross multiply
    80,431.20x = 110,994.08 × 44,620.32
  4. Step 4: Simplify right side
    80,431.20x = 4,952,591,367.71
  5. Step 5: Solve for x
    x = 4,952,591,367.71/80,431.20
  6. Step 6: Final answer
    x = 61,575.50

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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.