Finding the Fourth Proportional to 75,650.74, 104,382.18 and 43,817.74
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Solution
The fourth proportional to 75,650.74, 104,382.18 and 43,817.74 is: 60,459.31
Step by Step Solution
- Step 1: Write the proportion equation
75,650.74 : 104,382.18 = 43,817.74 : x - Step 2: Convert to fraction form
75,650.74/104,382.18 = 43,817.74/x - Step 3: Cross multiply
75,650.74x = 104,382.18 × 43,817.74 - Step 4: Simplify right side
75,650.74x = 4,573,791,223.87 - Step 5: Solve for x
x = 4,573,791,223.87/75,650.74 - Step 6: Final answer
x = 60,459.31
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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.