Home / 71,621.20-107,480.40-46,600.30

Finding the Fourth Proportional to 71,621.20, 107,480.40 and 46,600.30

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Solution

The fourth proportional to 71,621.20, 107,480.40 and 46,600.30 is: 69,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,621.20 : 107,480.40 = 46,600.30 : x
  2. Step 2: Convert to fraction form
    71,621.20/107,480.40 = 46,600.30/x
  3. Step 3: Cross multiply
    71,621.20x = 107,480.40 × 46,600.30
  4. Step 4: Simplify right side
    71,621.20x = 5,008,618,884.12
  5. Step 5: Solve for x
    x = 5,008,618,884.12/71,621.20
  6. Step 6: Final answer
    x = 69,932.07

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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.