Home / 109,686.06-164,504.46-50,464.80

Finding the Fourth Proportional to 109,686.06, 164,504.46 and 50,464.80

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Solution

The fourth proportional to 109,686.06, 164,504.46 and 50,464.80 is: 75,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,686.06 : 164,504.46 = 50,464.80 : x
  2. Step 2: Convert to fraction form
    109,686.06/164,504.46 = 50,464.80/x
  3. Step 3: Cross multiply
    109,686.06x = 164,504.46 × 50,464.80
  4. Step 4: Simplify right side
    109,686.06x = 8,301,684,673.01
  5. Step 5: Solve for x
    x = 8,301,684,673.01/109,686.06
  6. Step 6: Final answer
    x = 75,685.87

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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.