Finding the Fourth Proportional to 78,696.56, 118,125.48 and 61,356.08
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Solution
The fourth proportional to 78,696.56, 118,125.48 and 61,356.08 is: 92,096.99
Step by Step Solution
- Step 1: Write the proportion equation
78,696.56 : 118,125.48 = 61,356.08 : x - Step 2: Convert to fraction form
78,696.56/118,125.48 = 61,356.08/x - Step 3: Cross multiply
78,696.56x = 118,125.48 × 61,356.08 - Step 4: Simplify right side
78,696.56x = 7,247,716,400.92 - Step 5: Solve for x
x = 7,247,716,400.92/78,696.56 - Step 6: Final answer
x = 92,096.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.