Home / 100,969.18-151,471.78-33,505.27

Finding the Fourth Proportional to 100,969.18, 151,471.78 and 33,505.27

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Solution

The fourth proportional to 100,969.18, 151,471.78 and 33,505.27 is: 50,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,969.18 : 151,471.78 = 33,505.27 : x
  2. Step 2: Convert to fraction form
    100,969.18/151,471.78 = 33,505.27/x
  3. Step 3: Cross multiply
    100,969.18x = 151,471.78 × 33,505.27
  4. Step 4: Simplify right side
    100,969.18x = 5,075,102,886.28
  5. Step 5: Solve for x
    x = 5,075,102,886.28/100,969.18
  6. Step 6: Final answer
    x = 50,263.88

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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.