Home / 47,140.92-70,571.04-30,452.30

Finding the Fourth Proportional to 47,140.92, 70,571.04 and 30,452.30

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Solution

The fourth proportional to 47,140.92, 70,571.04 and 30,452.30 is: 45,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.92 : 70,571.04 = 30,452.30 : x
  2. Step 2: Convert to fraction form
    47,140.92/70,571.04 = 30,452.30/x
  3. Step 3: Cross multiply
    47,140.92x = 70,571.04 × 30,452.30
  4. Step 4: Simplify right side
    47,140.92x = 2,149,050,481.39
  5. Step 5: Solve for x
    x = 2,149,050,481.39/47,140.92
  6. Step 6: Final answer
    x = 45,587.79

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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.