Finding the Fourth Proportional to 68,020.14, 101,515.84 and 66,248.67
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Solution
The fourth proportional to 68,020.14, 101,515.84 and 66,248.67 is: 98,872.03
Step by Step Solution
- Step 1: Write the proportion equation
68,020.14 : 101,515.84 = 66,248.67 : x - Step 2: Convert to fraction form
68,020.14/101,515.84 = 66,248.67/x - Step 3: Cross multiply
68,020.14x = 101,515.84 × 66,248.67 - Step 4: Simplify right side
68,020.14x = 6,725,289,712.44 - Step 5: Solve for x
x = 6,725,289,712.44/68,020.14 - Step 6: Final answer
x = 98,872.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.