Finding the Fourth Proportional to 68,531.97, 102,548.84 and 56,574.54
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Solution
The fourth proportional to 68,531.97, 102,548.84 and 56,574.54 is: 84,656.17
Step by Step Solution
- Step 1: Write the proportion equation
68,531.97 : 102,548.84 = 56,574.54 : x - Step 2: Convert to fraction form
68,531.97/102,548.84 = 56,574.54/x - Step 3: Cross multiply
68,531.97x = 102,548.84 × 56,574.54 - Step 4: Simplify right side
68,531.97x = 5,801,653,456.08 - Step 5: Solve for x
x = 5,801,653,456.08/68,531.97 - Step 6: Final answer
x = 84,656.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.