Home / 80,151.36-110,612.16-49,954.56

Finding the Fourth Proportional to 80,151.36, 110,612.16 and 49,954.56

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Solution

The fourth proportional to 80,151.36, 110,612.16 and 49,954.56 is: 68,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,151.36 : 110,612.16 = 49,954.56 : x
  2. Step 2: Convert to fraction form
    80,151.36/110,612.16 = 49,954.56/x
  3. Step 3: Cross multiply
    80,151.36x = 110,612.16 × 49,954.56
  4. Step 4: Simplify right side
    80,151.36x = 5,525,581,783.45
  5. Step 5: Solve for x
    x = 5,525,581,783.45/80,151.36
  6. Step 6: Final answer
    x = 68,939.34

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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.