Home / 50,765.37-76,142.55-13,329.18

Finding the Fourth Proportional to 50,765.37, 76,142.55 and 13,329.18

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Solution

The fourth proportional to 50,765.37, 76,142.55 and 13,329.18 is: 19,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,765.37 : 76,142.55 = 13,329.18 : x
  2. Step 2: Convert to fraction form
    50,765.37/76,142.55 = 13,329.18/x
  3. Step 3: Cross multiply
    50,765.37x = 76,142.55 × 13,329.18
  4. Step 4: Simplify right side
    50,765.37x = 1,014,917,754.61
  5. Step 5: Solve for x
    x = 1,014,917,754.61/50,765.37
  6. Step 6: Final answer
    x = 19,992.32

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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.