Home / 109,720.80-164,586.60-57,232.80

Finding the Fourth Proportional to 109,720.80, 164,586.60 and 57,232.80

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Solution

The fourth proportional to 109,720.80, 164,586.60 and 57,232.80 is: 85,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,720.80 : 164,586.60 = 57,232.80 : x
  2. Step 2: Convert to fraction form
    109,720.80/164,586.60 = 57,232.80/x
  3. Step 3: Cross multiply
    109,720.80x = 164,586.60 × 57,232.80
  4. Step 4: Simplify right side
    109,720.80x = 9,419,751,960.48
  5. Step 5: Solve for x
    x = 9,419,751,960.48/109,720.80
  6. Step 6: Final answer
    x = 85,852.02

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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.