Home / 109,779.50-164,647.38-50,606.57

Finding the Fourth Proportional to 109,779.50, 164,647.38 and 50,606.57

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Solution

The fourth proportional to 109,779.50, 164,647.38 and 50,606.57 is: 75,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,779.50 : 164,647.38 = 50,606.57 : x
  2. Step 2: Convert to fraction form
    109,779.50/164,647.38 = 50,606.57/x
  3. Step 3: Cross multiply
    109,779.50x = 164,647.38 × 50,606.57
  4. Step 4: Simplify right side
    109,779.50x = 8,332,239,762.68
  5. Step 5: Solve for x
    x = 8,332,239,762.68/109,779.50
  6. Step 6: Final answer
    x = 75,899.78

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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.