Home / 80,486.56-111,078.48-46,963.36

Finding the Fourth Proportional to 80,486.56, 111,078.48 and 46,963.36

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Solution

The fourth proportional to 80,486.56, 111,078.48 and 46,963.36 is: 64,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,486.56 : 111,078.48 = 46,963.36 : x
  2. Step 2: Convert to fraction form
    80,486.56/111,078.48 = 46,963.36/x
  3. Step 3: Cross multiply
    80,486.56x = 111,078.48 × 46,963.36
  4. Step 4: Simplify right side
    80,486.56x = 5,216,618,644.49
  5. Step 5: Solve for x
    x = 5,216,618,644.49/80,486.56
  6. Step 6: Final answer
    x = 64,813.54

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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.