Home / 80,735.60-121,068.84-25,335.92

Finding the Fourth Proportional to 80,735.60, 121,068.84 and 25,335.92

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Solution

The fourth proportional to 80,735.60, 121,068.84 and 25,335.92 is: 37,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,735.60 : 121,068.84 = 25,335.92 : x
  2. Step 2: Convert to fraction form
    80,735.60/121,068.84 = 25,335.92/x
  3. Step 3: Cross multiply
    80,735.60x = 121,068.84 × 25,335.92
  4. Step 4: Simplify right side
    80,735.60x = 3,067,390,444.73
  5. Step 5: Solve for x
    x = 3,067,390,444.73/80,735.60
  6. Step 6: Final answer
    x = 37,993.03

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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.