Home / 74,494.30-111,811.67-27,155.15

Finding the Fourth Proportional to 74,494.30, 111,811.67 and 27,155.15

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Solution

The fourth proportional to 74,494.30, 111,811.67 and 27,155.15 is: 40,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,494.30 : 111,811.67 = 27,155.15 : x
  2. Step 2: Convert to fraction form
    74,494.30/111,811.67 = 27,155.15/x
  3. Step 3: Cross multiply
    74,494.30x = 111,811.67 × 27,155.15
  4. Step 4: Simplify right side
    74,494.30x = 3,036,261,975.77
  5. Step 5: Solve for x
    x = 3,036,261,975.77/74,494.30
  6. Step 6: Final answer
    x = 40,758.32

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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.