Home / 103,913.55-155,481.09-73,996.93

Finding the Fourth Proportional to 103,913.55, 155,481.09 and 73,996.93

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Solution

The fourth proportional to 103,913.55, 155,481.09 and 73,996.93 is: 110,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,913.55 : 155,481.09 = 73,996.93 : x
  2. Step 2: Convert to fraction form
    103,913.55/155,481.09 = 73,996.93/x
  3. Step 3: Cross multiply
    103,913.55x = 155,481.09 × 73,996.93
  4. Step 4: Simplify right side
    103,913.55x = 11,505,123,667.46
  5. Step 5: Solve for x
    x = 11,505,123,667.46/103,913.55
  6. Step 6: Final answer
    x = 110,718.22

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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.