Home / 107,967.66-161,951.49-55,343.58

Finding the Fourth Proportional to 107,967.66, 161,951.49 and 55,343.58

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Solution

The fourth proportional to 107,967.66, 161,951.49 and 55,343.58 is: 83,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,967.66 : 161,951.49 = 55,343.58 : x
  2. Step 2: Convert to fraction form
    107,967.66/161,951.49 = 55,343.58/x
  3. Step 3: Cross multiply
    107,967.66x = 161,951.49 × 55,343.58
  4. Step 4: Simplify right side
    107,967.66x = 8,962,975,242.93
  5. Step 5: Solve for x
    x = 8,962,975,242.93/107,967.66
  6. Step 6: Final answer
    x = 83,015.37

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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.