Home / 43,268.26-64,906.35-12,103.42

Finding the Fourth Proportional to 43,268.26, 64,906.35 and 12,103.42

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Solution

The fourth proportional to 43,268.26, 64,906.35 and 12,103.42 is: 18,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.26 : 64,906.35 = 12,103.42 : x
  2. Step 2: Convert to fraction form
    43,268.26/64,906.35 = 12,103.42/x
  3. Step 3: Cross multiply
    43,268.26x = 64,906.35 × 12,103.42
  4. Step 4: Simplify right side
    43,268.26x = 785,588,814.72
  5. Step 5: Solve for x
    x = 785,588,814.72/43,268.26
  6. Step 6: Final answer
    x = 18,156.24

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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.