Finding the Fourth Proportional to 99,670.08, 137,542.68 and 54,958.08
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Solution
The fourth proportional to 99,670.08, 137,542.68 and 54,958.08 is: 75,841.03
Step by Step Solution
- Step 1: Write the proportion equation
99,670.08 : 137,542.68 = 54,958.08 : x - Step 2: Convert to fraction form
99,670.08/137,542.68 = 54,958.08/x - Step 3: Cross multiply
99,670.08x = 137,542.68 × 54,958.08 - Step 4: Simplify right side
99,670.08x = 7,559,081,610.85 - Step 5: Solve for x
x = 7,559,081,610.85/99,670.08 - Step 6: Final answer
x = 75,841.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.