Home / 77,918.44-107,519.46-46,081.12

Finding the Fourth Proportional to 77,918.44, 107,519.46 and 46,081.12

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Solution

The fourth proportional to 77,918.44, 107,519.46 and 46,081.12 is: 63,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,918.44 : 107,519.46 = 46,081.12 : x
  2. Step 2: Convert to fraction form
    77,918.44/107,519.46 = 46,081.12/x
  3. Step 3: Cross multiply
    77,918.44x = 107,519.46 × 46,081.12
  4. Step 4: Simplify right side
    77,918.44x = 4,954,617,138.60
  5. Step 5: Solve for x
    x = 4,954,617,138.60/77,918.44
  6. Step 6: Final answer
    x = 63,587.22

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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.