Home / 43,083.17-64,612.20-16,781.66

Finding the Fourth Proportional to 43,083.17, 64,612.20 and 16,781.66

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Solution

The fourth proportional to 43,083.17, 64,612.20 and 16,781.66 is: 25,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,083.17 : 64,612.20 = 16,781.66 : x
  2. Step 2: Convert to fraction form
    43,083.17/64,612.20 = 16,781.66/x
  3. Step 3: Cross multiply
    43,083.17x = 64,612.20 × 16,781.66
  4. Step 4: Simplify right side
    43,083.17x = 1,084,299,972.25
  5. Step 5: Solve for x
    x = 1,084,299,972.25/43,083.17
  6. Step 6: Final answer
    x = 25,167.60

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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.