Finding the Fourth Proportional to 75,842.24, 104,643.12 and 45,617.84
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Solution
The fourth proportional to 75,842.24, 104,643.12 and 45,617.84 is: 62,941.09
Step by Step Solution
- Step 1: Write the proportion equation
75,842.24 : 104,643.12 = 45,617.84 : x - Step 2: Convert to fraction form
75,842.24/104,643.12 = 45,617.84/x - Step 3: Cross multiply
75,842.24x = 104,643.12 × 45,617.84 - Step 4: Simplify right side
75,842.24x = 4,773,593,105.26 - Step 5: Solve for x
x = 4,773,593,105.26/75,842.24 - Step 6: Final answer
x = 62,941.09
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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.