Home / 74,247.58-111,105.32-64,286.69

Finding the Fourth Proportional to 74,247.58, 111,105.32 and 64,286.69

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Solution

The fourth proportional to 74,247.58, 111,105.32 and 64,286.69 is: 96,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.58 : 111,105.32 = 64,286.69 : x
  2. Step 2: Convert to fraction form
    74,247.58/111,105.32 = 64,286.69/x
  3. Step 3: Cross multiply
    74,247.58x = 111,105.32 × 64,286.69
  4. Step 4: Simplify right side
    74,247.58x = 7,142,593,264.19
  5. Step 5: Solve for x
    x = 7,142,593,264.19/74,247.58
  6. Step 6: Final answer
    x = 96,199.68

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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.