Home / 83,485.11-125,243.04-27,328.34

Finding the Fourth Proportional to 83,485.11, 125,243.04 and 27,328.34

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Solution

The fourth proportional to 83,485.11, 125,243.04 and 27,328.34 is: 40,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,485.11 : 125,243.04 = 27,328.34 : x
  2. Step 2: Convert to fraction form
    83,485.11/125,243.04 = 27,328.34/x
  3. Step 3: Cross multiply
    83,485.11x = 125,243.04 × 27,328.34
  4. Step 4: Simplify right side
    83,485.11x = 3,422,683,860.27
  5. Step 5: Solve for x
    x = 3,422,683,860.27/83,485.11
  6. Step 6: Final answer
    x = 40,997.54

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1.5x scale

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.