Home / 71,493.07-107,240.36-21,573.60

Finding the Fourth Proportional to 71,493.07, 107,240.36 and 21,573.60

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Solution

The fourth proportional to 71,493.07, 107,240.36 and 21,573.60 is: 32,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,493.07 : 107,240.36 = 21,573.60 : x
  2. Step 2: Convert to fraction form
    71,493.07/107,240.36 = 21,573.60/x
  3. Step 3: Cross multiply
    71,493.07x = 107,240.36 × 21,573.60
  4. Step 4: Simplify right side
    71,493.07x = 2,313,560,630.50
  5. Step 5: Solve for x
    x = 2,313,560,630.50/71,493.07
  6. Step 6: Final answer
    x = 32,360.63

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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.