Home / 107,840.88-161,833.31-37,720.19

Finding the Fourth Proportional to 107,840.88, 161,833.31 and 37,720.19

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Solution

The fourth proportional to 107,840.88, 161,833.31 and 37,720.19 is: 56,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840.88 : 161,833.31 = 37,720.19 : x
  2. Step 2: Convert to fraction form
    107,840.88/161,833.31 = 37,720.19/x
  3. Step 3: Cross multiply
    107,840.88x = 161,833.31 × 37,720.19
  4. Step 4: Simplify right side
    107,840.88x = 6,104,383,558.96
  5. Step 5: Solve for x
    x = 6,104,383,558.96/107,840.88
  6. Step 6: Final answer
    x = 56,605.47

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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.