Finding the Fourth Proportional to 97,361.96, 134,237.76 and 81,252.44
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Solution
The fourth proportional to 97,361.96, 134,237.76 and 81,252.44 is: 112,026.77
Step by Step Solution
- Step 1: Write the proportion equation
97,361.96 : 134,237.76 = 81,252.44 : x - Step 2: Convert to fraction form
97,361.96/134,237.76 = 81,252.44/x - Step 3: Cross multiply
97,361.96x = 134,237.76 × 81,252.44 - Step 4: Simplify right side
97,361.96x = 10,907,145,540.13 - Step 5: Solve for x
x = 10,907,145,540.13/97,361.96 - Step 6: Final answer
x = 112,026.77
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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.