Finding the Fourth Proportional to 102,590.53, 141,582.06 and 57,277.42
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Solution
The fourth proportional to 102,590.53, 141,582.06 and 57,277.42 is: 79,046.82
Step by Step Solution
- Step 1: Write the proportion equation
102,590.53 : 141,582.06 = 57,277.42 : x - Step 2: Convert to fraction form
102,590.53/141,582.06 = 57,277.42/x - Step 3: Cross multiply
102,590.53x = 141,582.06 × 57,277.42 - Step 4: Simplify right side
102,590.53x = 8,109,454,761.13 - Step 5: Solve for x
x = 8,109,454,761.13/102,590.53 - Step 6: Final answer
x = 79,046.82
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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.