Finding the Fourth Proportional to 68,595.54, 102,612.62 and 51,830.96
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Solution
The fourth proportional to 68,595.54, 102,612.62 and 51,830.96 is: 77,534.35
Step by Step Solution
- Step 1: Write the proportion equation
68,595.54 : 102,612.62 = 51,830.96 : x - Step 2: Convert to fraction form
68,595.54/102,612.62 = 51,830.96/x - Step 3: Cross multiply
68,595.54x = 102,612.62 × 51,830.96 - Step 4: Simplify right side
68,595.54x = 5,318,510,602.72 - Step 5: Solve for x
x = 5,318,510,602.72/68,595.54 - Step 6: Final answer
x = 77,534.35
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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.