Finding the Fourth Proportional to 73,098.96, 100,876.62 and 39,564.96
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Solution
The fourth proportional to 73,098.96, 100,876.62 and 39,564.96 is: 54,599.67
Step by Step Solution
- Step 1: Write the proportion equation
73,098.96 : 100,876.62 = 39,564.96 : x - Step 2: Convert to fraction form
73,098.96/100,876.62 = 39,564.96/x - Step 3: Cross multiply
73,098.96x = 100,876.62 × 39,564.96 - Step 4: Simplify right side
73,098.96x = 3,991,179,435.24 - Step 5: Solve for x
x = 3,991,179,435.24/73,098.96 - Step 6: Final answer
x = 54,599.67
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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.