Home / 109,851.96-164,705.01-39,722.16

Finding the Fourth Proportional to 109,851.96, 164,705.01 and 39,722.16

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Solution

The fourth proportional to 109,851.96, 164,705.01 and 39,722.16 is: 59,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,851.96 : 164,705.01 = 39,722.16 : x
  2. Step 2: Convert to fraction form
    109,851.96/164,705.01 = 39,722.16/x
  3. Step 3: Cross multiply
    109,851.96x = 164,705.01 × 39,722.16
  4. Step 4: Simplify right side
    109,851.96x = 6,542,438,760.02
  5. Step 5: Solve for x
    x = 6,542,438,760.02/109,851.96
  6. Step 6: Final answer
    x = 59,556.87

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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.