Home / 80,762.24-121,157.20-27,448.58

Finding the Fourth Proportional to 80,762.24, 121,157.20 and 27,448.58

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Solution

The fourth proportional to 80,762.24, 121,157.20 and 27,448.58 is: 41,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762.24 : 121,157.20 = 27,448.58 : x
  2. Step 2: Convert to fraction form
    80,762.24/121,157.20 = 27,448.58/x
  3. Step 3: Cross multiply
    80,762.24x = 121,157.20 × 27,448.58
  4. Step 4: Simplify right side
    80,762.24x = 3,325,593,096.78
  5. Step 5: Solve for x
    x = 3,325,593,096.78/80,762.24
  6. Step 6: Final answer
    x = 41,177.57

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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.