Home / 42,629.82-63,944.64-11,465.10

Finding the Fourth Proportional to 42,629.82, 63,944.64 and 11,465.10

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Solution

The fourth proportional to 42,629.82, 63,944.64 and 11,465.10 is: 17,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.82 : 63,944.64 = 11,465.10 : x
  2. Step 2: Convert to fraction form
    42,629.82/63,944.64 = 11,465.10/x
  3. Step 3: Cross multiply
    42,629.82x = 63,944.64 × 11,465.10
  4. Step 4: Simplify right side
    42,629.82x = 733,131,692.06
  5. Step 5: Solve for x
    x = 733,131,692.06/42,629.82
  6. Step 6: Final answer
    x = 17,197.63

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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.