Home / 80,923.36-111,674.25-45,112.60

Finding the Fourth Proportional to 80,923.36, 111,674.25 and 45,112.60

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Solution

The fourth proportional to 80,923.36, 111,674.25 and 45,112.60 is: 62,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,923.36 : 111,674.25 = 45,112.60 : x
  2. Step 2: Convert to fraction form
    80,923.36/111,674.25 = 45,112.60/x
  3. Step 3: Cross multiply
    80,923.36x = 111,674.25 × 45,112.60
  4. Step 4: Simplify right side
    80,923.36x = 5,037,915,212.18
  5. Step 5: Solve for x
    x = 5,037,915,212.18/80,923.36
  6. Step 6: Final answer
    x = 62,255.39

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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.