Home / 76,336.65-105,380.66-50,885.44

Finding the Fourth Proportional to 76,336.65, 105,380.66 and 50,885.44

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Solution

The fourth proportional to 76,336.65, 105,380.66 and 50,885.44 is: 70,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.65 : 105,380.66 = 50,885.44 : x
  2. Step 2: Convert to fraction form
    76,336.65/105,380.66 = 50,885.44/x
  3. Step 3: Cross multiply
    76,336.65x = 105,380.66 × 50,885.44
  4. Step 4: Simplify right side
    76,336.65x = 5,362,341,115.35
  5. Step 5: Solve for x
    x = 5,362,341,115.35/76,336.65
  6. Step 6: Final answer
    x = 70,245.96

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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.