Home / 109,665.60-164,450.40-50,481.60

Finding the Fourth Proportional to 109,665.60, 164,450.40 and 50,481.60

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Solution

The fourth proportional to 109,665.60, 164,450.40 and 50,481.60 is: 75,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,665.60 : 164,450.40 = 50,481.60 : x
  2. Step 2: Convert to fraction form
    109,665.60/164,450.40 = 50,481.60/x
  3. Step 3: Cross multiply
    109,665.60x = 164,450.40 × 50,481.60
  4. Step 4: Simplify right side
    109,665.60x = 8,301,719,312.64
  5. Step 5: Solve for x
    x = 8,301,719,312.64/109,665.60
  6. Step 6: Final answer
    x = 75,700.30

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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.