Home / 74,329.44-111,497.90-21,025.23

Finding the Fourth Proportional to 74,329.44, 111,497.90 and 21,025.23

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Solution

The fourth proportional to 74,329.44, 111,497.90 and 21,025.23 is: 31,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.44 : 111,497.90 = 21,025.23 : x
  2. Step 2: Convert to fraction form
    74,329.44/111,497.90 = 21,025.23/x
  3. Step 3: Cross multiply
    74,329.44x = 111,497.90 × 21,025.23
  4. Step 4: Simplify right side
    74,329.44x = 2,344,268,992.02
  5. Step 5: Solve for x
    x = 2,344,268,992.02/74,329.44
  6. Step 6: Final answer
    x = 31,538.90

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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.