Finding the Fourth Proportional to 97,396.65, 134,369.19 and 56,553.80
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Solution
The fourth proportional to 97,396.65, 134,369.19 and 56,553.80 is: 78,022.07
Step by Step Solution
- Step 1: Write the proportion equation
97,396.65 : 134,369.19 = 56,553.80 : x - Step 2: Convert to fraction form
97,396.65/134,369.19 = 56,553.80/x - Step 3: Cross multiply
97,396.65x = 134,369.19 × 56,553.80 - Step 4: Simplify right side
97,396.65x = 7,599,088,297.42 - Step 5: Solve for x
x = 7,599,088,297.42/97,396.65 - Step 6: Final answer
x = 78,022.07
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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.