Home / 75,979.32-113,970.44-23,388.75

Finding the Fourth Proportional to 75,979.32, 113,970.44 and 23,388.75

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Solution

The fourth proportional to 75,979.32, 113,970.44 and 23,388.75 is: 35,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,979.32 : 113,970.44 = 23,388.75 : x
  2. Step 2: Convert to fraction form
    75,979.32/113,970.44 = 23,388.75/x
  3. Step 3: Cross multiply
    75,979.32x = 113,970.44 × 23,388.75
  4. Step 4: Simplify right side
    75,979.32x = 2,665,626,187.02
  5. Step 5: Solve for x
    x = 2,665,626,187.02/75,979.32
  6. Step 6: Final answer
    x = 35,083.58

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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.