Home / 103,655.88-155,449.26-33,516.36

Finding the Fourth Proportional to 103,655.88, 155,449.26 and 33,516.36

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Solution

The fourth proportional to 103,655.88, 155,449.26 and 33,516.36 is: 50,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.88 : 155,449.26 = 33,516.36 : x
  2. Step 2: Convert to fraction form
    103,655.88/155,449.26 = 33,516.36/x
  3. Step 3: Cross multiply
    103,655.88x = 155,449.26 × 33,516.36
  4. Step 4: Simplify right side
    103,655.88x = 5,210,093,359.89
  5. Step 5: Solve for x
    x = 5,210,093,359.89/103,655.88
  6. Step 6: Final answer
    x = 50,263.37

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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.