Home / 51,170.05-70,609.84-28,506.73

Finding the Fourth Proportional to 51,170.05, 70,609.84 and 28,506.73

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Solution

The fourth proportional to 51,170.05, 70,609.84 and 28,506.73 is: 39,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.05 : 70,609.84 = 28,506.73 : x
  2. Step 2: Convert to fraction form
    51,170.05/70,609.84 = 28,506.73/x
  3. Step 3: Cross multiply
    51,170.05x = 70,609.84 × 28,506.73
  4. Step 4: Simplify right side
    51,170.05x = 2,012,855,644.22
  5. Step 5: Solve for x
    x = 2,012,855,644.22/51,170.05
  6. Step 6: Final answer
    x = 39,336.60

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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.