Home / 107,360.31-160,990.48-39,845.32

Finding the Fourth Proportional to 107,360.31, 160,990.48 and 39,845.32

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Solution

The fourth proportional to 107,360.31, 160,990.48 and 39,845.32 is: 59,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,360.31 : 160,990.48 = 39,845.32 : x
  2. Step 2: Convert to fraction form
    107,360.31/160,990.48 = 39,845.32/x
  3. Step 3: Cross multiply
    107,360.31x = 160,990.48 × 39,845.32
  4. Step 4: Simplify right side
    107,360.31x = 6,414,717,521.33
  5. Step 5: Solve for x
    x = 6,414,717,521.33/107,360.31
  6. Step 6: Final answer
    x = 59,749.43

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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.