Home / 85,229.06-117,616.88-46,989.95

Finding the Fourth Proportional to 85,229.06, 117,616.88 and 46,989.95

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Solution

The fourth proportional to 85,229.06, 117,616.88 and 46,989.95 is: 64,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.06 : 117,616.88 = 46,989.95 : x
  2. Step 2: Convert to fraction form
    85,229.06/117,616.88 = 46,989.95/x
  3. Step 3: Cross multiply
    85,229.06x = 117,616.88 × 46,989.95
  4. Step 4: Simplify right side
    85,229.06x = 5,526,811,721.87
  5. Step 5: Solve for x
    x = 5,526,811,721.87/85,229.06
  6. Step 6: Final answer
    x = 64,846.57

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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.