Finding the Fourth Proportional to 97,174.26, 134,099.28 and 56,908.96
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Solution
The fourth proportional to 97,174.26, 134,099.28 and 56,908.96 is: 78,533.66
Step by Step Solution
- Step 1: Write the proportion equation
97,174.26 : 134,099.28 = 56,908.96 : x - Step 2: Convert to fraction form
97,174.26/134,099.28 = 56,908.96/x - Step 3: Cross multiply
97,174.26x = 134,099.28 × 56,908.96 - Step 4: Simplify right side
97,174.26x = 7,631,450,561.55 - Step 5: Solve for x
x = 7,631,450,561.55/97,174.26 - Step 6: Final answer
x = 78,533.66
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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.