Home / 100,965.45-151,466.19-33,501.53

Finding the Fourth Proportional to 100,965.45, 151,466.19 and 33,501.53

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Solution

The fourth proportional to 100,965.45, 151,466.19 and 33,501.53 is: 50,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,965.45 : 151,466.19 = 33,501.53 : x
  2. Step 2: Convert to fraction form
    100,965.45/151,466.19 = 33,501.53/x
  3. Step 3: Cross multiply
    100,965.45x = 151,466.19 × 33,501.53
  4. Step 4: Simplify right side
    100,965.45x = 5,074,348,350.94
  5. Step 5: Solve for x
    x = 5,074,348,350.94/100,965.45
  6. Step 6: Final answer
    x = 50,258.27

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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.