Home / 85,143.24-117,506.88-46,906.70

Finding the Fourth Proportional to 85,143.24, 117,506.88 and 46,906.70

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Solution

The fourth proportional to 85,143.24, 117,506.88 and 46,906.70 is: 64,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,143.24 : 117,506.88 = 46,906.70 : x
  2. Step 2: Convert to fraction form
    85,143.24/117,506.88 = 46,906.70/x
  3. Step 3: Cross multiply
    85,143.24x = 117,506.88 × 46,906.70
  4. Step 4: Simplify right side
    85,143.24x = 5,511,859,968.10
  5. Step 5: Solve for x
    x = 5,511,859,968.10/85,143.24
  6. Step 6: Final answer
    x = 64,736.32

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1.5x scale

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.