Home / 43,855.10-65,783.25-14,273.06

Finding the Fourth Proportional to 43,855.10, 65,783.25 and 14,273.06

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Solution

The fourth proportional to 43,855.10, 65,783.25 and 14,273.06 is: 21,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,855.10 : 65,783.25 = 14,273.06 : x
  2. Step 2: Convert to fraction form
    43,855.10/65,783.25 = 14,273.06/x
  3. Step 3: Cross multiply
    43,855.10x = 65,783.25 × 14,273.06
  4. Step 4: Simplify right side
    43,855.10x = 938,928,274.25
  5. Step 5: Solve for x
    x = 938,928,274.25/43,855.10
  6. Step 6: Final answer
    x = 21,409.79

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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.