Finding the Fourth Proportional to 98,752.80, 136,270.08 and 58,467.84
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Solution
The fourth proportional to 98,752.80, 136,270.08 and 58,467.84 is: 80,680.42
Step by Step Solution
- Step 1: Write the proportion equation
98,752.80 : 136,270.08 = 58,467.84 : x - Step 2: Convert to fraction form
98,752.80/136,270.08 = 58,467.84/x - Step 3: Cross multiply
98,752.80x = 136,270.08 × 58,467.84 - Step 4: Simplify right side
98,752.80x = 7,967,417,234.23 - Step 5: Solve for x
x = 7,967,417,234.23/98,752.80 - Step 6: Final answer
x = 80,680.42
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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.