Home / 50,207.12-69,257.04-31,311.44

Finding the Fourth Proportional to 50,207.12, 69,257.04 and 31,311.44

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Solution

The fourth proportional to 50,207.12, 69,257.04 and 31,311.44 is: 43,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,207.12 : 69,257.04 = 31,311.44 : x
  2. Step 2: Convert to fraction form
    50,207.12/69,257.04 = 31,311.44/x
  3. Step 3: Cross multiply
    50,207.12x = 69,257.04 × 31,311.44
  4. Step 4: Simplify right side
    50,207.12x = 2,168,537,652.54
  5. Step 5: Solve for x
    x = 2,168,537,652.54/50,207.12
  6. Step 6: Final answer
    x = 43,191.84

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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.