Home / 75,975.89-113,965.29-23,385.32

Finding the Fourth Proportional to 75,975.89, 113,965.29 and 23,385.32

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Solution

The fourth proportional to 75,975.89, 113,965.29 and 23,385.32 is: 35,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,975.89 : 113,965.29 = 23,385.32 : x
  2. Step 2: Convert to fraction form
    75,975.89/113,965.29 = 23,385.32/x
  3. Step 3: Cross multiply
    75,975.89x = 113,965.29 × 23,385.32
  4. Step 4: Simplify right side
    75,975.89x = 2,665,114,205.72
  5. Step 5: Solve for x
    x = 2,665,114,205.72/75,975.89
  6. Step 6: Final answer
    x = 35,078.42

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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.