Home / 103,629.25-155,495.72-47,469.25

Finding the Fourth Proportional to 103,629.25, 155,495.72 and 47,469.25

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Solution

The fourth proportional to 103,629.25, 155,495.72 and 47,469.25 is: 71,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.25 : 155,495.72 = 47,469.25 : x
  2. Step 2: Convert to fraction form
    103,629.25/155,495.72 = 47,469.25/x
  3. Step 3: Cross multiply
    103,629.25x = 155,495.72 × 47,469.25
  4. Step 4: Simplify right side
    103,629.25x = 7,381,265,206.61
  5. Step 5: Solve for x
    x = 7,381,265,206.61/103,629.25
  6. Step 6: Final answer
    x = 71,227.62

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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.