Finding the Fourth Proportional to 97,005.26, 133,841.03 and 56,728.96
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Solution
The fourth proportional to 97,005.26, 133,841.03 and 56,728.96 is: 78,270.62
Step by Step Solution
- Step 1: Write the proportion equation
97,005.26 : 133,841.03 = 56,728.96 : x - Step 2: Convert to fraction form
97,005.26/133,841.03 = 56,728.96/x - Step 3: Cross multiply
97,005.26x = 133,841.03 × 56,728.96 - Step 4: Simplify right side
97,005.26x = 7,592,661,818.98 - Step 5: Solve for x
x = 7,592,661,818.98/97,005.26 - Step 6: Final answer
x = 78,270.62
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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.