Finding the Fourth Proportional to 81,565.62, 122,151.60 and 46,398.66
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Solution
The fourth proportional to 81,565.62, 122,151.60 and 46,398.66 is: 69,486.02
Step by Step Solution
- Step 1: Write the proportion equation
81,565.62 : 122,151.60 = 46,398.66 : x - Step 2: Convert to fraction form
81,565.62/122,151.60 = 46,398.66/x - Step 3: Cross multiply
81,565.62x = 122,151.60 × 46,398.66 - Step 4: Simplify right side
81,565.62x = 5,667,670,556.86 - Step 5: Solve for x
x = 5,667,670,556.86/81,565.62 - Step 6: Final answer
x = 69,486.02
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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.