Finding the Fourth Proportional to 100,968.24, 139,336.74 and 58,551.96
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Solution
The fourth proportional to 100,968.24, 139,336.74 and 58,551.96 is: 80,802.03
Step by Step Solution
- Step 1: Write the proportion equation
100,968.24 : 139,336.74 = 58,551.96 : x - Step 2: Convert to fraction form
100,968.24/139,336.74 = 58,551.96/x - Step 3: Cross multiply
100,968.24x = 139,336.74 × 58,551.96 - Step 4: Simplify right side
100,968.24x = 8,158,439,227.01 - Step 5: Solve for x
x = 8,158,439,227.01/100,968.24 - Step 6: Final answer
x = 80,802.03
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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.