Finding the Fourth Proportional to 99,027.99, 136,658.69 and 53,705.96
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Solution
The fourth proportional to 99,027.99, 136,658.69 and 53,705.96 is: 74,114.26
Step by Step Solution
- Step 1: Write the proportion equation
99,027.99 : 136,658.69 = 53,705.96 : x - Step 2: Convert to fraction form
99,027.99/136,658.69 = 53,705.96/x - Step 3: Cross multiply
99,027.99x = 136,658.69 × 53,705.96 - Step 4: Simplify right side
99,027.99x = 7,339,386,587.29 - Step 5: Solve for x
x = 7,339,386,587.29/99,027.99 - Step 6: Final answer
x = 74,114.26
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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.