Home / 135,766.47-203,575.73-47,012.61

Finding the Fourth Proportional to 135,766.47, 203,575.73 and 47,012.61

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Solution

The fourth proportional to 135,766.47, 203,575.73 and 47,012.61 is: 70,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,766.47 : 203,575.73 = 47,012.61 : x
  2. Step 2: Convert to fraction form
    135,766.47/203,575.73 = 47,012.61/x
  3. Step 3: Cross multiply
    135,766.47x = 203,575.73 × 47,012.61
  4. Step 4: Simplify right side
    135,766.47x = 9,570,626,164.89
  5. Step 5: Solve for x
    x = 9,570,626,164.89/135,766.47
  6. Step 6: Final answer
    x = 70,493.30

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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.