Home / 74,119.65-111,200.26-29,777.54

Finding the Fourth Proportional to 74,119.65, 111,200.26 and 29,777.54

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Solution

The fourth proportional to 74,119.65, 111,200.26 and 29,777.54 is: 44,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,119.65 : 111,200.26 = 29,777.54 : x
  2. Step 2: Convert to fraction form
    74,119.65/111,200.26 = 29,777.54/x
  3. Step 3: Cross multiply
    74,119.65x = 111,200.26 × 29,777.54
  4. Step 4: Simplify right side
    74,119.65x = 3,311,270,190.16
  5. Step 5: Solve for x
    x = 3,311,270,190.16/74,119.65
  6. Step 6: Final answer
    x = 44,674.66

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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.