Home / 74,193.12-111,150.24-36,709.68

Finding the Fourth Proportional to 74,193.12, 111,150.24 and 36,709.68

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Solution

The fourth proportional to 74,193.12, 111,150.24 and 36,709.68 is: 54,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,193.12 : 111,150.24 = 36,709.68 : x
  2. Step 2: Convert to fraction form
    74,193.12/111,150.24 = 36,709.68/x
  3. Step 3: Cross multiply
    74,193.12x = 111,150.24 × 36,709.68
  4. Step 4: Simplify right side
    74,193.12x = 4,080,289,742.32
  5. Step 5: Solve for x
    x = 4,080,289,742.32/74,193.12
  6. Step 6: Final answer
    x = 54,995.53

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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.