Home / 101,120.97-151,681.52-41,940.75

Finding the Fourth Proportional to 101,120.97, 151,681.52 and 41,940.75

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Solution

The fourth proportional to 101,120.97, 151,681.52 and 41,940.75 is: 62,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,120.97 : 151,681.52 = 41,940.75 : x
  2. Step 2: Convert to fraction form
    101,120.97/151,681.52 = 41,940.75/x
  3. Step 3: Cross multiply
    101,120.97x = 151,681.52 × 41,940.75
  4. Step 4: Simplify right side
    101,120.97x = 6,361,636,709.94
  5. Step 5: Solve for x
    x = 6,361,636,709.94/101,120.97
  6. Step 6: Final answer
    x = 62,911.15

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1.5x scale

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.