Finding the Fourth Proportional to 97,509.23, 134,577.10 and 57,245.20
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Solution
The fourth proportional to 97,509.23, 134,577.10 and 57,245.20 is: 79,006.80
Step by Step Solution
- Step 1: Write the proportion equation
97,509.23 : 134,577.10 = 57,245.20 : x - Step 2: Convert to fraction form
97,509.23/134,577.10 = 57,245.20/x - Step 3: Cross multiply
97,509.23x = 134,577.10 × 57,245.20 - Step 4: Simplify right side
97,509.23x = 7,703,892,418.03 - Step 5: Solve for x
x = 7,703,892,418.03/97,509.23 - Step 6: Final answer
x = 79,006.80
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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.