Finding the Fourth Proportional to 98,756.08, 136,286.48 and 54,044.08
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Solution
The fourth proportional to 98,756.08, 136,286.48 and 54,044.08 is: 74,582.52
Step by Step Solution
- Step 1: Write the proportion equation
98,756.08 : 136,286.48 = 54,044.08 : x - Step 2: Convert to fraction form
98,756.08/136,286.48 = 54,044.08/x - Step 3: Cross multiply
98,756.08x = 136,286.48 × 54,044.08 - Step 4: Simplify right side
98,756.08x = 7,365,477,428.04 - Step 5: Solve for x
x = 7,365,477,428.04/98,756.08 - Step 6: Final answer
x = 74,582.52
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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.