Home / 115,546.85-159,453.56-64,568.37

Finding the Fourth Proportional to 115,546.85, 159,453.56 and 64,568.37

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Solution

The fourth proportional to 115,546.85, 159,453.56 and 64,568.37 is: 89,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,546.85 : 159,453.56 = 64,568.37 : x
  2. Step 2: Convert to fraction form
    115,546.85/159,453.56 = 64,568.37/x
  3. Step 3: Cross multiply
    115,546.85x = 159,453.56 × 64,568.37
  4. Step 4: Simplify right side
    115,546.85x = 10,295,657,219.27
  5. Step 5: Solve for x
    x = 10,295,657,219.27/115,546.85
  6. Step 6: Final answer
    x = 89,103.74

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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.