Home / 108,961.07-163,450.99-30,075.30

Finding the Fourth Proportional to 108,961.07, 163,450.99 and 30,075.30

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Solution

The fourth proportional to 108,961.07, 163,450.99 and 30,075.30 is: 45,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,961.07 : 163,450.99 = 30,075.30 : x
  2. Step 2: Convert to fraction form
    108,961.07/163,450.99 = 30,075.30/x
  3. Step 3: Cross multiply
    108,961.07x = 163,450.99 × 30,075.30
  4. Step 4: Simplify right side
    108,961.07x = 4,915,837,512.55
  5. Step 5: Solve for x
    x = 4,915,837,512.55/108,961.07
  6. Step 6: Final answer
    x = 45,115.54

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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.