Home / 108,059.03-162,075.78-29,179.40

Finding the Fourth Proportional to 108,059.03, 162,075.78 and 29,179.40

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Solution

The fourth proportional to 108,059.03, 162,075.78 and 29,179.40 is: 43,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,059.03 : 162,075.78 = 29,179.40 : x
  2. Step 2: Convert to fraction form
    108,059.03/162,075.78 = 29,179.40/x
  3. Step 3: Cross multiply
    108,059.03x = 162,075.78 × 29,179.40
  4. Step 4: Simplify right side
    108,059.03x = 4,729,274,420.12
  5. Step 5: Solve for x
    x = 4,729,274,420.12/108,059.03
  6. Step 6: Final answer
    x = 43,765.66

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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.