Home / 84,879.32-117,135.98-49,066.16

Finding the Fourth Proportional to 84,879.32, 117,135.98 and 49,066.16

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Solution

The fourth proportional to 84,879.32, 117,135.98 and 49,066.16 is: 67,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,879.32 : 117,135.98 = 49,066.16 : x
  2. Step 2: Convert to fraction form
    84,879.32/117,135.98 = 49,066.16/x
  3. Step 3: Cross multiply
    84,879.32x = 117,135.98 × 49,066.16
  4. Step 4: Simplify right side
    84,879.32x = 5,747,412,736.44
  5. Step 5: Solve for x
    x = 5,747,412,736.44/84,879.32
  6. Step 6: Final answer
    x = 67,712.76

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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.