Finding the Fourth Proportional to 63,679.05, 87,872.82 and 34,998.09
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Solution
The fourth proportional to 63,679.05, 87,872.82 and 34,998.09 is: 48,295.02
Step by Step Solution
- Step 1: Write the proportion equation
63,679.05 : 87,872.82 = 34,998.09 : x - Step 2: Convert to fraction form
63,679.05/87,872.82 = 34,998.09/x - Step 3: Cross multiply
63,679.05x = 87,872.82 × 34,998.09 - Step 4: Simplify right side
63,679.05x = 3,075,380,862.91 - Step 5: Solve for x
x = 3,075,380,862.91/63,679.05 - Step 6: Final answer
x = 48,295.02
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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.