Home / 84,811.22-117,039.48-47,085.44

Finding the Fourth Proportional to 84,811.22, 117,039.48 and 47,085.44

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Solution

The fourth proportional to 84,811.22, 117,039.48 and 47,085.44 is: 64,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,811.22 : 117,039.48 = 47,085.44 : x
  2. Step 2: Convert to fraction form
    84,811.22/117,039.48 = 47,085.44/x
  3. Step 3: Cross multiply
    84,811.22x = 117,039.48 × 47,085.44
  4. Step 4: Simplify right side
    84,811.22x = 5,510,855,413.17
  5. Step 5: Solve for x
    x = 5,510,855,413.17/84,811.22
  6. Step 6: Final answer
    x = 64,977.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.