Home / 50,769.36-76,152.15-13,329.09

Finding the Fourth Proportional to 50,769.36, 76,152.15 and 13,329.09

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Solution

The fourth proportional to 50,769.36, 76,152.15 and 13,329.09 is: 19,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,769.36 : 76,152.15 = 13,329.09 : x
  2. Step 2: Convert to fraction form
    50,769.36/76,152.15 = 13,329.09/x
  3. Step 3: Cross multiply
    50,769.36x = 76,152.15 × 13,329.09
  4. Step 4: Simplify right side
    50,769.36x = 1,015,038,861.04
  5. Step 5: Solve for x
    x = 1,015,038,861.04/50,769.36
  6. Step 6: Final answer
    x = 19,993.14

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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.