Home / 43,088.43-64,625.34-11,916.39

Finding the Fourth Proportional to 43,088.43, 64,625.34 and 11,916.39

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Solution

The fourth proportional to 43,088.43, 64,625.34 and 11,916.39 is: 17,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,088.43 : 64,625.34 = 11,916.39 : x
  2. Step 2: Convert to fraction form
    43,088.43/64,625.34 = 11,916.39/x
  3. Step 3: Cross multiply
    43,088.43x = 64,625.34 × 11,916.39
  4. Step 4: Simplify right side
    43,088.43x = 770,100,755.32
  5. Step 5: Solve for x
    x = 770,100,755.32/43,088.43
  6. Step 6: Final answer
    x = 17,872.56

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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.