Home / 74,179.68-111,313.20-27,465.12

Finding the Fourth Proportional to 74,179.68, 111,313.20 and 27,465.12

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Solution

The fourth proportional to 74,179.68, 111,313.20 and 27,465.12 is: 41,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179.68 : 111,313.20 = 27,465.12 : x
  2. Step 2: Convert to fraction form
    74,179.68/111,313.20 = 27,465.12/x
  3. Step 3: Cross multiply
    74,179.68x = 111,313.20 × 27,465.12
  4. Step 4: Simplify right side
    74,179.68x = 3,057,230,395.58
  5. Step 5: Solve for x
    x = 3,057,230,395.58/74,179.68
  6. Step 6: Final answer
    x = 41,213.85

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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.