Finding the Fourth Proportional to 75,763.29, 104,532.35 and 43,497.75
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Solution
The fourth proportional to 75,763.29, 104,532.35 and 43,497.75 is: 60,014.84
Step by Step Solution
- Step 1: Write the proportion equation
75,763.29 : 104,532.35 = 43,497.75 : x - Step 2: Convert to fraction form
75,763.29/104,532.35 = 43,497.75/x - Step 3: Cross multiply
75,763.29x = 104,532.35 × 43,497.75 - Step 4: Simplify right side
75,763.29x = 4,546,921,809.72 - Step 5: Solve for x
x = 4,546,921,809.72/75,763.29 - Step 6: Final answer
x = 60,014.84
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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.