Home / 74,607-111,941.82-30,265.44

Finding the Fourth Proportional to 74,607, 111,941.82 and 30,265.44

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Solution

The fourth proportional to 74,607, 111,941.82 and 30,265.44 is: 45,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,607 : 111,941.82 = 30,265.44 : x
  2. Step 2: Convert to fraction form
    74,607/111,941.82 = 30,265.44/x
  3. Step 3: Cross multiply
    74,607x = 111,941.82 × 30,265.44
  4. Step 4: Simplify right side
    74,607x = 3,387,968,436.70
  5. Step 5: Solve for x
    x = 3,387,968,436.70/74,607
  6. Step 6: Final answer
    x = 45,410.87

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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.