Finding the Fourth Proportional to 97,076.21, 133,913.79 and 66,808.98
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Solution
The fourth proportional to 97,076.21, 133,913.79 and 66,808.98 is: 92,161.04
Step by Step Solution
- Step 1: Write the proportion equation
97,076.21 : 133,913.79 = 66,808.98 : x - Step 2: Convert to fraction form
97,076.21/133,913.79 = 66,808.98/x - Step 3: Cross multiply
97,076.21x = 133,913.79 × 66,808.98 - Step 4: Simplify right side
97,076.21x = 8,946,644,312.17 - Step 5: Solve for x
x = 8,946,644,312.17/97,076.21 - Step 6: Final answer
x = 92,161.04
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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.