Finding the Fourth Proportional to 76,981.24, 106,241.88 and 46,769.59
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Solution
The fourth proportional to 76,981.24, 106,241.88 and 46,769.59 is: 64,546.75
Step by Step Solution
- Step 1: Write the proportion equation
76,981.24 : 106,241.88 = 46,769.59 : x - Step 2: Convert to fraction form
76,981.24/106,241.88 = 46,769.59/x - Step 3: Cross multiply
76,981.24x = 106,241.88 × 46,769.59 - Step 4: Simplify right side
76,981.24x = 4,968,889,168.43 - Step 5: Solve for x
x = 4,968,889,168.43/76,981.24 - Step 6: Final answer
x = 64,546.75
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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.