Home / 74,620.53-111,860.42-37,145.16

Finding the Fourth Proportional to 74,620.53, 111,860.42 and 37,145.16

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Solution

The fourth proportional to 74,620.53, 111,860.42 and 37,145.16 is: 55,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,620.53 : 111,860.42 = 37,145.16 : x
  2. Step 2: Convert to fraction form
    74,620.53/111,860.42 = 37,145.16/x
  3. Step 3: Cross multiply
    74,620.53x = 111,860.42 × 37,145.16
  4. Step 4: Simplify right side
    74,620.53x = 4,155,073,012.84
  5. Step 5: Solve for x
    x = 4,155,073,012.84/74,620.53
  6. Step 6: Final answer
    x = 55,682.71

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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.