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Finding the Fourth Proportional to 80,850.78, 111,574.08 and 46,879.07

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Solution

The fourth proportional to 80,850.78, 111,574.08 and 46,879.07 is: 64,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,850.78 : 111,574.08 = 46,879.07 : x
  2. Step 2: Convert to fraction form
    80,850.78/111,574.08 = 46,879.07/x
  3. Step 3: Cross multiply
    80,850.78x = 111,574.08 × 46,879.07
  4. Step 4: Simplify right side
    80,850.78x = 5,230,488,548.64
  5. Step 5: Solve for x
    x = 5,230,488,548.64/80,850.78
  6. Step 6: Final answer
    x = 64,693.11

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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.