Home / 72,954.10-109,346.10-33,515.20

Finding the Fourth Proportional to 72,954.10, 109,346.10 and 33,515.20

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Solution

The fourth proportional to 72,954.10, 109,346.10 and 33,515.20 is: 50,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,954.10 : 109,346.10 = 33,515.20 : x
  2. Step 2: Convert to fraction form
    72,954.10/109,346.10 = 33,515.20/x
  3. Step 3: Cross multiply
    72,954.10x = 109,346.10 × 33,515.20
  4. Step 4: Simplify right side
    72,954.10x = 3,664,756,410.72
  5. Step 5: Solve for x
    x = 3,664,756,410.72/72,954.10
  6. Step 6: Final answer
    x = 50,233.73

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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.