Home / 50,777.05-76,144.55-19,181.72

Finding the Fourth Proportional to 50,777.05, 76,144.55 and 19,181.72

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Solution

The fourth proportional to 50,777.05, 76,144.55 and 19,181.72 is: 28,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,777.05 : 76,144.55 = 19,181.72 : x
  2. Step 2: Convert to fraction form
    50,777.05/76,144.55 = 19,181.72/x
  3. Step 3: Cross multiply
    50,777.05x = 76,144.55 × 19,181.72
  4. Step 4: Simplify right side
    50,777.05x = 1,460,583,437.63
  5. Step 5: Solve for x
    x = 1,460,583,437.63/50,777.05
  6. Step 6: Final answer
    x = 28,764.64

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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.