Home / 80,792.79-121,244.54-28,202.28

Finding the Fourth Proportional to 80,792.79, 121,244.54 and 28,202.28

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Solution

The fourth proportional to 80,792.79, 121,244.54 and 28,202.28 is: 42,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,792.79 : 121,244.54 = 28,202.28 : x
  2. Step 2: Convert to fraction form
    80,792.79/121,244.54 = 28,202.28/x
  3. Step 3: Cross multiply
    80,792.79x = 121,244.54 × 28,202.28
  4. Step 4: Simplify right side
    80,792.79x = 3,419,372,324.54
  5. Step 5: Solve for x
    x = 3,419,372,324.54/80,792.79
  6. Step 6: Final answer
    x = 42,322.74

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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.