Finding the Fourth Proportional to 75,670.48, 104,396.84 and 43,827.76
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Solution
The fourth proportional to 75,670.48, 104,396.84 and 43,827.76 is: 60,465.85
Step by Step Solution
- Step 1: Write the proportion equation
75,670.48 : 104,396.84 = 43,827.76 : x - Step 2: Convert to fraction form
75,670.48/104,396.84 = 43,827.76/x - Step 3: Cross multiply
75,670.48x = 104,396.84 × 43,827.76 - Step 4: Simplify right side
75,670.48x = 4,575,479,648.28 - Step 5: Solve for x
x = 4,575,479,648.28/75,670.48 - Step 6: Final answer
x = 60,465.85
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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.