Home / 80,736.60-121,070.34-25,336.92

Finding the Fourth Proportional to 80,736.60, 121,070.34 and 25,336.92

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Solution

The fourth proportional to 80,736.60, 121,070.34 and 25,336.92 is: 37,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736.60 : 121,070.34 = 25,336.92 : x
  2. Step 2: Convert to fraction form
    80,736.60/121,070.34 = 25,336.92/x
  3. Step 3: Cross multiply
    80,736.60x = 121,070.34 × 25,336.92
  4. Step 4: Simplify right side
    80,736.60x = 3,067,549,518.95
  5. Step 5: Solve for x
    x = 3,067,549,518.95/80,736.60
  6. Step 6: Final answer
    x = 37,994.53

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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.