Home / 107,743.40-161,539.96-47,739.24

Finding the Fourth Proportional to 107,743.40, 161,539.96 and 47,739.24

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Solution

The fourth proportional to 107,743.40, 161,539.96 and 47,739.24 is: 71,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,743.40 : 161,539.96 = 47,739.24 : x
  2. Step 2: Convert to fraction form
    107,743.40/161,539.96 = 47,739.24/x
  3. Step 3: Cross multiply
    107,743.40x = 161,539.96 × 47,739.24
  4. Step 4: Simplify right side
    107,743.40x = 7,711,794,920.03
  5. Step 5: Solve for x
    x = 7,711,794,920.03/107,743.40
  6. Step 6: Final answer
    x = 71,575.57

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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.