Finding the Fourth Proportional to 88,788.11, 133,181.26 and 51,324.35
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Solution
The fourth proportional to 88,788.11, 133,181.26 and 51,324.35 is: 76,985.99
Step by Step Solution
- Step 1: Write the proportion equation
88,788.11 : 133,181.26 = 51,324.35 : x - Step 2: Convert to fraction form
88,788.11/133,181.26 = 51,324.35/x - Step 3: Cross multiply
88,788.11x = 133,181.26 × 51,324.35 - Step 4: Simplify right side
88,788.11x = 6,835,440,807.46 - Step 5: Solve for x
x = 6,835,440,807.46/88,788.11 - Step 6: Final answer
x = 76,985.99
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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.