Home / 71,975.52-107,942.40-27,599.04

Finding the Fourth Proportional to 71,975.52, 107,942.40 and 27,599.04

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Solution

The fourth proportional to 71,975.52, 107,942.40 and 27,599.04 is: 41,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,975.52 : 107,942.40 = 27,599.04 : x
  2. Step 2: Convert to fraction form
    71,975.52/107,942.40 = 27,599.04/x
  3. Step 3: Cross multiply
    71,975.52x = 107,942.40 × 27,599.04
  4. Step 4: Simplify right side
    71,975.52x = 2,979,106,615.30
  5. Step 5: Solve for x
    x = 2,979,106,615.30/71,975.52
  6. Step 6: Final answer
    x = 41,390.55

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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.