Home / 107,449.06-161,135.44-31,526.41

Finding the Fourth Proportional to 107,449.06, 161,135.44 and 31,526.41

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Solution

The fourth proportional to 107,449.06, 161,135.44 and 31,526.41 is: 47,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,449.06 : 161,135.44 = 31,526.41 : x
  2. Step 2: Convert to fraction form
    107,449.06/161,135.44 = 31,526.41/x
  3. Step 3: Cross multiply
    107,449.06x = 161,135.44 × 31,526.41
  4. Step 4: Simplify right side
    107,449.06x = 5,080,021,946.97
  5. Step 5: Solve for x
    x = 5,080,021,946.97/107,449.06
  6. Step 6: Final answer
    x = 47,278.42

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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.