Finding the Fourth Proportional to 98,762.74, 136,270.83 and 58,456.42
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Solution
The fourth proportional to 98,762.74, 136,270.83 and 58,456.42 is: 80,656.99
Step by Step Solution
- Step 1: Write the proportion equation
98,762.74 : 136,270.83 = 58,456.42 : x - Step 2: Convert to fraction form
98,762.74/136,270.83 = 58,456.42/x - Step 3: Cross multiply
98,762.74x = 136,270.83 × 58,456.42 - Step 4: Simplify right side
98,762.74x = 7,965,904,872.23 - Step 5: Solve for x
x = 7,965,904,872.23/98,762.74 - Step 6: Final answer
x = 80,656.99
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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.