Home / 103,634.45-155,453.51-37,122.31

Finding the Fourth Proportional to 103,634.45, 155,453.51 and 37,122.31

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Solution

The fourth proportional to 103,634.45, 155,453.51 and 37,122.31 is: 55,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.45 : 155,453.51 = 37,122.31 : x
  2. Step 2: Convert to fraction form
    103,634.45/155,453.51 = 37,122.31/x
  3. Step 3: Cross multiply
    103,634.45x = 155,453.51 × 37,122.31
  4. Step 4: Simplify right side
    103,634.45x = 5,770,793,388.81
  5. Step 5: Solve for x
    x = 5,770,793,388.81/103,634.45
  6. Step 6: Final answer
    x = 55,684.12

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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.