Home / 78,870.44-108,841.45-50,576.24

Finding the Fourth Proportional to 78,870.44, 108,841.45 and 50,576.24

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Solution

The fourth proportional to 78,870.44, 108,841.45 and 50,576.24 is: 69,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,870.44 : 108,841.45 = 50,576.24 : x
  2. Step 2: Convert to fraction form
    78,870.44/108,841.45 = 50,576.24/x
  3. Step 3: Cross multiply
    78,870.44x = 108,841.45 × 50,576.24
  4. Step 4: Simplify right side
    78,870.44x = 5,504,790,626.50
  5. Step 5: Solve for x
    x = 5,504,790,626.50/78,870.44
  6. Step 6: Final answer
    x = 69,795.36

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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.