Home / 76,047.24-114,057.42-20,647.56

Finding the Fourth Proportional to 76,047.24, 114,057.42 and 20,647.56

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Solution

The fourth proportional to 76,047.24, 114,057.42 and 20,647.56 is: 30,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,047.24 : 114,057.42 = 20,647.56 : x
  2. Step 2: Convert to fraction form
    76,047.24/114,057.42 = 20,647.56/x
  3. Step 3: Cross multiply
    76,047.24x = 114,057.42 × 20,647.56
  4. Step 4: Simplify right side
    76,047.24x = 2,355,007,422.90
  5. Step 5: Solve for x
    x = 2,355,007,422.90/76,047.24
  6. Step 6: Final answer
    x = 30,967.69

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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.