Home / 115,858.20-173,790.32-36,972.32

Finding the Fourth Proportional to 115,858.20, 173,790.32 and 36,972.32

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Solution

The fourth proportional to 115,858.20, 173,790.32 and 36,972.32 is: 55,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,858.20 : 173,790.32 = 36,972.32 : x
  2. Step 2: Convert to fraction form
    115,858.20/173,790.32 = 36,972.32/x
  3. Step 3: Cross multiply
    115,858.20x = 173,790.32 × 36,972.32
  4. Step 4: Simplify right side
    115,858.20x = 6,425,431,323.94
  5. Step 5: Solve for x
    x = 6,425,431,323.94/115,858.20
  6. Step 6: Final answer
    x = 55,459.44

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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.