Home / 70,968.15-106,449.89-28,835.73

Finding the Fourth Proportional to 70,968.15, 106,449.89 and 28,835.73

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Solution

The fourth proportional to 70,968.15, 106,449.89 and 28,835.73 is: 43,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.15 : 106,449.89 = 28,835.73 : x
  2. Step 2: Convert to fraction form
    70,968.15/106,449.89 = 28,835.73/x
  3. Step 3: Cross multiply
    70,968.15x = 106,449.89 × 28,835.73
  4. Step 4: Simplify right side
    70,968.15x = 3,069,560,142.39
  5. Step 5: Solve for x
    x = 3,069,560,142.39/70,968.15
  6. Step 6: Final answer
    x = 43,252.64

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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.