Finding the Fourth Proportional to 84,183.98, 116,137.19 and 55,466.79
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Solution
The fourth proportional to 84,183.98, 116,137.19 and 55,466.79 is: 76,519.99
Step by Step Solution
- Step 1: Write the proportion equation
84,183.98 : 116,137.19 = 55,466.79 : x - Step 2: Convert to fraction form
84,183.98/116,137.19 = 55,466.79/x - Step 3: Cross multiply
84,183.98x = 116,137.19 × 55,466.79 - Step 4: Simplify right side
84,183.98x = 6,441,756,851.59 - Step 5: Solve for x
x = 6,441,756,851.59/84,183.98 - Step 6: Final answer
x = 76,519.99
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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.