Home / 115,896.03-159,923.30-64,901.67

Finding the Fourth Proportional to 115,896.03, 159,923.30 and 64,901.67

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Solution

The fourth proportional to 115,896.03, 159,923.30 and 64,901.67 is: 89,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,896.03 : 159,923.30 = 64,901.67 : x
  2. Step 2: Convert to fraction form
    115,896.03/159,923.30 = 64,901.67/x
  3. Step 3: Cross multiply
    115,896.03x = 159,923.30 × 64,901.67
  4. Step 4: Simplify right side
    115,896.03x = 10,379,288,917.40
  5. Step 5: Solve for x
    x = 10,379,288,917.40/115,896.03
  6. Step 6: Final answer
    x = 89,556.90

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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.