Home / 61,292.10-91,936.32-16,921.56

Finding the Fourth Proportional to 61,292.10, 91,936.32 and 16,921.56

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Solution

The fourth proportional to 61,292.10, 91,936.32 and 16,921.56 is: 25,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.10 : 91,936.32 = 16,921.56 : x
  2. Step 2: Convert to fraction form
    61,292.10/91,936.32 = 16,921.56/x
  3. Step 3: Cross multiply
    61,292.10x = 91,936.32 × 16,921.56
  4. Step 4: Simplify right side
    61,292.10x = 1,555,705,955.06
  5. Step 5: Solve for x
    x = 1,555,705,955.06/61,292.10
  6. Step 6: Final answer
    x = 25,381.83

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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.