Home / 42,781.44-64,199.64-23,073.72

Finding the Fourth Proportional to 42,781.44, 64,199.64 and 23,073.72

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Solution

The fourth proportional to 42,781.44, 64,199.64 and 23,073.72 is: 34,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.44 : 64,199.64 = 23,073.72 : x
  2. Step 2: Convert to fraction form
    42,781.44/64,199.64 = 23,073.72/x
  3. Step 3: Cross multiply
    42,781.44x = 64,199.64 × 23,073.72
  4. Step 4: Simplify right side
    42,781.44x = 1,481,324,517.46
  5. Step 5: Solve for x
    x = 1,481,324,517.46/42,781.44
  6. Step 6: Final answer
    x = 34,625.40

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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.