Home / 74,582.82-111,769.74-37,107.36

Finding the Fourth Proportional to 74,582.82, 111,769.74 and 37,107.36

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Solution

The fourth proportional to 74,582.82, 111,769.74 and 37,107.36 is: 55,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.82 : 111,769.74 = 37,107.36 : x
  2. Step 2: Convert to fraction form
    74,582.82/111,769.74 = 37,107.36/x
  3. Step 3: Cross multiply
    74,582.82x = 111,769.74 × 37,107.36
  4. Step 4: Simplify right side
    74,582.82x = 4,147,479,979.29
  5. Step 5: Solve for x
    x = 4,147,479,979.29/74,582.82
  6. Step 6: Final answer
    x = 55,609.05

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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.