Home / 101,975.22-140,843.55-67,927.62

Finding the Fourth Proportional to 101,975.22, 140,843.55 and 67,927.62

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Solution

The fourth proportional to 101,975.22, 140,843.55 and 67,927.62 is: 93,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,975.22 : 140,843.55 = 67,927.62 : x
  2. Step 2: Convert to fraction form
    101,975.22/140,843.55 = 67,927.62/x
  3. Step 3: Cross multiply
    101,975.22x = 140,843.55 × 67,927.62
  4. Step 4: Simplify right side
    101,975.22x = 9,567,167,143.85
  5. Step 5: Solve for x
    x = 9,567,167,143.85/101,975.22
  6. Step 6: Final answer
    x = 93,818.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.