Finding the Fourth Proportional to 75,774.18, 104,569.08 and 41,784.03
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Solution
The fourth proportional to 75,774.18, 104,569.08 and 41,784.03 is: 57,662.35
Step by Step Solution
- Step 1: Write the proportion equation
75,774.18 : 104,569.08 = 41,784.03 : x - Step 2: Convert to fraction form
75,774.18/104,569.08 = 41,784.03/x - Step 3: Cross multiply
75,774.18x = 104,569.08 × 41,784.03 - Step 4: Simplify right side
75,774.18x = 4,369,317,575.79 - Step 5: Solve for x
x = 4,369,317,575.79/75,774.18 - Step 6: Final answer
x = 57,662.35
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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.