Finding the Fourth Proportional to 75,125.48, 103,678.16 and 43,296.42
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Solution
The fourth proportional to 75,125.48, 103,678.16 and 43,296.42 is: 59,751.94
Step by Step Solution
- Step 1: Write the proportion equation
75,125.48 : 103,678.16 = 43,296.42 : x - Step 2: Convert to fraction form
75,125.48/103,678.16 = 43,296.42/x - Step 3: Cross multiply
75,125.48x = 103,678.16 × 43,296.42 - Step 4: Simplify right side
75,125.48x = 4,488,893,160.19 - Step 5: Solve for x
x = 4,488,893,160.19/75,125.48 - Step 6: Final answer
x = 59,751.94
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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.