Finding the Fourth Proportional to 68,427.94, 102,677.14 and 51,782.44
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Solution
The fourth proportional to 68,427.94, 102,677.14 and 51,782.44 is: 77,700.32
Step by Step Solution
- Step 1: Write the proportion equation
68,427.94 : 102,677.14 = 51,782.44 : x - Step 2: Convert to fraction form
68,427.94/102,677.14 = 51,782.44/x - Step 3: Cross multiply
68,427.94x = 102,677.14 × 51,782.44 - Step 4: Simplify right side
68,427.94x = 5,316,872,841.42 - Step 5: Solve for x
x = 5,316,872,841.42/68,427.94 - Step 6: Final answer
x = 77,700.32
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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.