Finding the Fourth Proportional to 75,852.18, 113,769.38 and 47,689.08
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Solution
The fourth proportional to 75,852.18, 113,769.38 and 47,689.08 is: 71,528.03
Step by Step Solution
- Step 1: Write the proportion equation
75,852.18 : 113,769.38 = 47,689.08 : x - Step 2: Convert to fraction form
75,852.18/113,769.38 = 47,689.08/x - Step 3: Cross multiply
75,852.18x = 113,769.38 × 47,689.08 - Step 4: Simplify right side
75,852.18x = 5,425,557,064.37 - Step 5: Solve for x
x = 5,425,557,064.37/75,852.18 - Step 6: Final answer
x = 71,528.03
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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.