Home / 108,921.40-163,163.46-49,675.60

Finding the Fourth Proportional to 108,921.40, 163,163.46 and 49,675.60

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Solution

The fourth proportional to 108,921.40, 163,163.46 and 49,675.60 is: 74,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,921.40 : 163,163.46 = 49,675.60 : x
  2. Step 2: Convert to fraction form
    108,921.40/163,163.46 = 49,675.60/x
  3. Step 3: Cross multiply
    108,921.40x = 163,163.46 × 49,675.60
  4. Step 4: Simplify right side
    108,921.40x = 8,105,242,773.58
  5. Step 5: Solve for x
    x = 8,105,242,773.58/108,921.40
  6. Step 6: Final answer
    x = 74,413.69

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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.