Home / 109,731.08-164,570.70-50,529.80

Finding the Fourth Proportional to 109,731.08, 164,570.70 and 50,529.80

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Solution

The fourth proportional to 109,731.08, 164,570.70 and 50,529.80 is: 75,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731.08 : 164,570.70 = 50,529.80 : x
  2. Step 2: Convert to fraction form
    109,731.08/164,570.70 = 50,529.80/x
  3. Step 3: Cross multiply
    109,731.08x = 164,570.70 × 50,529.80
  4. Step 4: Simplify right side
    109,731.08x = 8,315,724,556.86
  5. Step 5: Solve for x
    x = 8,315,724,556.86/109,731.08
  6. Step 6: Final answer
    x = 75,782.76

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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.