Home / 50,739.50-76,109.58-13,299.25

Finding the Fourth Proportional to 50,739.50, 76,109.58 and 13,299.25

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Solution

The fourth proportional to 50,739.50, 76,109.58 and 13,299.25 is: 19,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.50 : 76,109.58 = 13,299.25 : x
  2. Step 2: Convert to fraction form
    50,739.50/76,109.58 = 13,299.25/x
  3. Step 3: Cross multiply
    50,739.50x = 76,109.58 × 13,299.25
  4. Step 4: Simplify right side
    50,739.50x = 1,012,200,298.57
  5. Step 5: Solve for x
    x = 1,012,200,298.57/50,739.50
  6. Step 6: Final answer
    x = 19,948.96

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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.