Home / 79,245.99-118,831.36-45,976.25

Finding the Fourth Proportional to 79,245.99, 118,831.36 and 45,976.25

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Solution

The fourth proportional to 79,245.99, 118,831.36 and 45,976.25 is: 68,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245.99 : 118,831.36 = 45,976.25 : x
  2. Step 2: Convert to fraction form
    79,245.99/118,831.36 = 45,976.25/x
  3. Step 3: Cross multiply
    79,245.99x = 118,831.36 × 45,976.25
  4. Step 4: Simplify right side
    79,245.99x = 5,463,420,315.20
  5. Step 5: Solve for x
    x = 5,463,420,315.20/79,245.99
  6. Step 6: Final answer
    x = 68,942.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.