Finding the Fourth Proportional to 75,827.74, 104,642.64 and 41,836.63
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Solution
The fourth proportional to 75,827.74, 104,642.64 and 41,836.63 is: 57,734.75
Step by Step Solution
- Step 1: Write the proportion equation
75,827.74 : 104,642.64 = 41,836.63 : x - Step 2: Convert to fraction form
75,827.74/104,642.64 = 41,836.63/x - Step 3: Cross multiply
75,827.74x = 104,642.64 × 41,836.63 - Step 4: Simplify right side
75,827.74x = 4,377,895,411.90 - Step 5: Solve for x
x = 4,377,895,411.90/75,827.74 - Step 6: Final answer
x = 57,734.75
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1.5x scale
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.