Finding the Fourth Proportional to 98,855.62, 136,454.03 and 60,093.31
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Solution
The fourth proportional to 98,855.62, 136,454.03 and 60,093.31 is: 82,948.99
Step by Step Solution
- Step 1: Write the proportion equation
98,855.62 : 136,454.03 = 60,093.31 : x - Step 2: Convert to fraction form
98,855.62/136,454.03 = 60,093.31/x - Step 3: Cross multiply
98,855.62x = 136,454.03 × 60,093.31 - Step 4: Simplify right side
98,855.62x = 8,199,974,325.54 - Step 5: Solve for x
x = 8,199,974,325.54/98,855.62 - Step 6: Final answer
x = 82,948.99
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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.