Home / 107,974.06-161,628.81-70,453.42

Finding the Fourth Proportional to 107,974.06, 161,628.81 and 70,453.42

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Solution

The fourth proportional to 107,974.06, 161,628.81 and 70,453.42 is: 105,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,974.06 : 161,628.81 = 70,453.42 : x
  2. Step 2: Convert to fraction form
    107,974.06/161,628.81 = 70,453.42/x
  3. Step 3: Cross multiply
    107,974.06x = 161,628.81 × 70,453.42
  4. Step 4: Simplify right side
    107,974.06x = 11,387,302,435.03
  5. Step 5: Solve for x
    x = 11,387,302,435.03/107,974.06
  6. Step 6: Final answer
    x = 105,463.32

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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.