Finding the Fourth Proportional to 98,773.85, 136,306.86 and 53,450.84
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Solution
The fourth proportional to 98,773.85, 136,306.86 and 53,450.84 is: 73,761.59
Step by Step Solution
- Step 1: Write the proportion equation
98,773.85 : 136,306.86 = 53,450.84 : x - Step 2: Convert to fraction form
98,773.85/136,306.86 = 53,450.84/x - Step 3: Cross multiply
98,773.85x = 136,306.86 × 53,450.84 - Step 4: Simplify right side
98,773.85x = 7,285,715,483.23 - Step 5: Solve for x
x = 7,285,715,483.23/98,773.85 - Step 6: Final answer
x = 73,761.59
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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.