Home / 65,193.14-89,963.43-40,037.78

Finding the Fourth Proportional to 65,193.14, 89,963.43 and 40,037.78

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Solution

The fourth proportional to 65,193.14, 89,963.43 and 40,037.78 is: 55,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193.14 : 89,963.43 = 40,037.78 : x
  2. Step 2: Convert to fraction form
    65,193.14/89,963.43 = 40,037.78/x
  3. Step 3: Cross multiply
    65,193.14x = 89,963.43 × 40,037.78
  4. Step 4: Simplify right side
    65,193.14x = 3,601,936,093.15
  5. Step 5: Solve for x
    x = 3,601,936,093.15/65,193.14
  6. Step 6: Final answer
    x = 55,250.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.