Home / 42,682.87-63,964.77-33,280.03

Finding the Fourth Proportional to 42,682.87, 63,964.77 and 33,280.03

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Solution

The fourth proportional to 42,682.87, 63,964.77 and 33,280.03 is: 49,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,682.87 : 63,964.77 = 33,280.03 : x
  2. Step 2: Convert to fraction form
    42,682.87/63,964.77 = 33,280.03/x
  3. Step 3: Cross multiply
    42,682.87x = 63,964.77 × 33,280.03
  4. Step 4: Simplify right side
    42,682.87x = 2,128,749,464.54
  5. Step 5: Solve for x
    x = 2,128,749,464.54/42,682.87
  6. Step 6: Final answer
    x = 49,873.63

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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.