Home / 100,299.06-150,400.80-37,116.36

Finding the Fourth Proportional to 100,299.06, 150,400.80 and 37,116.36

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Solution

The fourth proportional to 100,299.06, 150,400.80 and 37,116.36 is: 55,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,299.06 : 150,400.80 = 37,116.36 : x
  2. Step 2: Convert to fraction form
    100,299.06/150,400.80 = 37,116.36/x
  3. Step 3: Cross multiply
    100,299.06x = 150,400.80 × 37,116.36
  4. Step 4: Simplify right side
    100,299.06x = 5,582,330,237.09
  5. Step 5: Solve for x
    x = 5,582,330,237.09/100,299.06
  6. Step 6: Final answer
    x = 55,656.85

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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.