Home / 107,411.23-161,190.80-37,290.54

Finding the Fourth Proportional to 107,411.23, 161,190.80 and 37,290.54

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Solution

The fourth proportional to 107,411.23, 161,190.80 and 37,290.54 is: 55,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,411.23 : 161,190.80 = 37,290.54 : x
  2. Step 2: Convert to fraction form
    107,411.23/161,190.80 = 37,290.54/x
  3. Step 3: Cross multiply
    107,411.23x = 161,190.80 × 37,290.54
  4. Step 4: Simplify right side
    107,411.23x = 6,010,890,982.63
  5. Step 5: Solve for x
    x = 6,010,890,982.63/107,411.23
  6. Step 6: Final answer
    x = 55,961.48

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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.