Home / 109,659.20-164,270.10-57,098.30

Finding the Fourth Proportional to 109,659.20, 164,270.10 and 57,098.30

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Solution

The fourth proportional to 109,659.20, 164,270.10 and 57,098.30 is: 85,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,659.20 : 164,270.10 = 57,098.30 : x
  2. Step 2: Convert to fraction form
    109,659.20/164,270.10 = 57,098.30/x
  3. Step 3: Cross multiply
    109,659.20x = 164,270.10 × 57,098.30
  4. Step 4: Simplify right side
    109,659.20x = 9,379,543,450.83
  5. Step 5: Solve for x
    x = 9,379,543,450.83/109,659.20
  6. Step 6: Final answer
    x = 85,533.58

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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.