Home / 74,101.25-111,172.70-29,759.15

Finding the Fourth Proportional to 74,101.25, 111,172.70 and 29,759.15

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Solution

The fourth proportional to 74,101.25, 111,172.70 and 29,759.15 is: 44,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,101.25 : 111,172.70 = 29,759.15 : x
  2. Step 2: Convert to fraction form
    74,101.25/111,172.70 = 29,759.15/x
  3. Step 3: Cross multiply
    74,101.25x = 111,172.70 × 29,759.15
  4. Step 4: Simplify right side
    74,101.25x = 3,308,404,350.55
  5. Step 5: Solve for x
    x = 3,308,404,350.55/74,101.25
  6. Step 6: Final answer
    x = 44,647.08

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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.