Home / 52,120.60-78,203.04-25,825.84

Finding the Fourth Proportional to 52,120.60, 78,203.04 and 25,825.84

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Solution

The fourth proportional to 52,120.60, 78,203.04 and 25,825.84 is: 38,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.60 : 78,203.04 = 25,825.84 : x
  2. Step 2: Convert to fraction form
    52,120.60/78,203.04 = 25,825.84/x
  3. Step 3: Cross multiply
    52,120.60x = 78,203.04 × 25,825.84
  4. Step 4: Simplify right side
    52,120.60x = 2,019,659,198.55
  5. Step 5: Solve for x
    x = 2,019,659,198.55/52,120.60
  6. Step 6: Final answer
    x = 38,749.73

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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.