Home / 73,043.81-109,614.93-28,665.33

Finding the Fourth Proportional to 73,043.81, 109,614.93 and 28,665.33

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Solution

The fourth proportional to 73,043.81, 109,614.93 and 28,665.33 is: 43,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,043.81 : 109,614.93 = 28,665.33 : x
  2. Step 2: Convert to fraction form
    73,043.81/109,614.93 = 28,665.33/x
  3. Step 3: Cross multiply
    73,043.81x = 109,614.93 × 28,665.33
  4. Step 4: Simplify right side
    73,043.81x = 3,142,147,998.05
  5. Step 5: Solve for x
    x = 3,142,147,998.05/73,043.81
  6. Step 6: Final answer
    x = 43,017.31

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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.