Home / 103,629.22-155,445.99-33,515.62

Finding the Fourth Proportional to 103,629.22, 155,445.99 and 33,515.62

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Solution

The fourth proportional to 103,629.22, 155,445.99 and 33,515.62 is: 50,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.22 : 155,445.99 = 33,515.62 : x
  2. Step 2: Convert to fraction form
    103,629.22/155,445.99 = 33,515.62/x
  3. Step 3: Cross multiply
    103,629.22x = 155,445.99 × 33,515.62
  4. Step 4: Simplify right side
    103,629.22x = 5,209,868,731.36
  5. Step 5: Solve for x
    x = 5,209,868,731.36/103,629.22
  6. Step 6: Final answer
    x = 50,274.13

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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.