Home / 103,696.28-155,511.96-33,561.08

Finding the Fourth Proportional to 103,696.28, 155,511.96 and 33,561.08

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Solution

The fourth proportional to 103,696.28, 155,511.96 and 33,561.08 is: 50,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696.28 : 155,511.96 = 33,561.08 : x
  2. Step 2: Convert to fraction form
    103,696.28/155,511.96 = 33,561.08/x
  3. Step 3: Cross multiply
    103,696.28x = 155,511.96 × 33,561.08
  4. Step 4: Simplify right side
    103,696.28x = 5,219,149,330.52
  5. Step 5: Solve for x
    x = 5,219,149,330.52/103,696.28
  6. Step 6: Final answer
    x = 50,331.11

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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.