Home / 103,112.76-154,650.60-46,939.80

Finding the Fourth Proportional to 103,112.76, 154,650.60 and 46,939.80

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Solution

The fourth proportional to 103,112.76, 154,650.60 and 46,939.80 is: 70,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,112.76 : 154,650.60 = 46,939.80 : x
  2. Step 2: Convert to fraction form
    103,112.76/154,650.60 = 46,939.80/x
  3. Step 3: Cross multiply
    103,112.76x = 154,650.60 × 46,939.80
  4. Step 4: Simplify right side
    103,112.76x = 7,259,268,233.88
  5. Step 5: Solve for x
    x = 7,259,268,233.88/103,112.76
  6. Step 6: Final answer
    x = 70,401.26

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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.