Finding the Fourth Proportional to 75,712.08, 113,460.97 and 41,992.94
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Solution
The fourth proportional to 75,712.08, 113,460.97 and 41,992.94 is: 62,929.98
Step by Step Solution
- Step 1: Write the proportion equation
75,712.08 : 113,460.97 = 41,992.94 : x - Step 2: Convert to fraction form
75,712.08/113,460.97 = 41,992.94/x - Step 3: Cross multiply
75,712.08x = 113,460.97 × 41,992.94 - Step 4: Simplify right side
75,712.08x = 4,764,559,705.55 - Step 5: Solve for x
x = 4,764,559,705.55/75,712.08 - Step 6: Final answer
x = 62,929.98
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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.