Home / 43,975.72-65,979.42-27,312.04

Finding the Fourth Proportional to 43,975.72, 65,979.42 and 27,312.04

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Solution

The fourth proportional to 43,975.72, 65,979.42 and 27,312.04 is: 40,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,975.72 : 65,979.42 = 27,312.04 : x
  2. Step 2: Convert to fraction form
    43,975.72/65,979.42 = 27,312.04/x
  3. Step 3: Cross multiply
    43,975.72x = 65,979.42 × 27,312.04
  4. Step 4: Simplify right side
    43,975.72x = 1,802,032,558.22
  5. Step 5: Solve for x
    x = 1,802,032,558.22/43,975.72
  6. Step 6: Final answer
    x = 40,977.90

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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.