Home / 43,774.82-65,652.63-12,603.30

Finding the Fourth Proportional to 43,774.82, 65,652.63 and 12,603.30

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Solution

The fourth proportional to 43,774.82, 65,652.63 and 12,603.30 is: 18,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,774.82 : 65,652.63 = 12,603.30 : x
  2. Step 2: Convert to fraction form
    43,774.82/65,652.63 = 12,603.30/x
  3. Step 3: Cross multiply
    43,774.82x = 65,652.63 × 12,603.30
  4. Step 4: Simplify right side
    43,774.82x = 827,439,791.68
  5. Step 5: Solve for x
    x = 827,439,791.68/43,774.82
  6. Step 6: Final answer
    x = 18,902.19

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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.