Home / 75,377.41-104,013.12-43,556.56

Finding the Fourth Proportional to 75,377.41, 104,013.12 and 43,556.56

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Solution

The fourth proportional to 75,377.41, 104,013.12 and 43,556.56 is: 60,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,377.41 : 104,013.12 = 43,556.56 : x
  2. Step 2: Convert to fraction form
    75,377.41/104,013.12 = 43,556.56/x
  3. Step 3: Cross multiply
    75,377.41x = 104,013.12 × 43,556.56
  4. Step 4: Simplify right side
    75,377.41x = 4,530,453,702.07
  5. Step 5: Solve for x
    x = 4,530,453,702.07/75,377.41
  6. Step 6: Final answer
    x = 60,103.60

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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.