Finding the Fourth Proportional to 84,296.13, 126,506.56 and 39,922.96
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Solution
The fourth proportional to 84,296.13, 126,506.56 and 39,922.96 is: 59,913.98
Step by Step Solution
- Step 1: Write the proportion equation
84,296.13 : 126,506.56 = 39,922.96 : x - Step 2: Convert to fraction form
84,296.13/126,506.56 = 39,922.96/x - Step 3: Cross multiply
84,296.13x = 126,506.56 × 39,922.96 - Step 4: Simplify right side
84,296.13x = 5,050,516,764.30 - Step 5: Solve for x
x = 5,050,516,764.30/84,296.13 - Step 6: Final answer
x = 59,913.98
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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.