Home / 57,954.17-86,944.82-17,971.05

Finding the Fourth Proportional to 57,954.17, 86,944.82 and 17,971.05

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Solution

The fourth proportional to 57,954.17, 86,944.82 and 17,971.05 is: 26,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.17 : 86,944.82 = 17,971.05 : x
  2. Step 2: Convert to fraction form
    57,954.17/86,944.82 = 17,971.05/x
  3. Step 3: Cross multiply
    57,954.17x = 86,944.82 × 17,971.05
  4. Step 4: Simplify right side
    57,954.17x = 1,562,489,707.46
  5. Step 5: Solve for x
    x = 1,562,489,707.46/57,954.17
  6. Step 6: Final answer
    x = 26,960.78

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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.