Finding the Fourth Proportional to 97,142.26, 134,056.30 and 54,699.88
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Solution
The fourth proportional to 97,142.26, 134,056.30 and 54,699.88 is: 75,485.82
Step by Step Solution
- Step 1: Write the proportion equation
97,142.26 : 134,056.30 = 54,699.88 : x - Step 2: Convert to fraction form
97,142.26/134,056.30 = 54,699.88/x - Step 3: Cross multiply
97,142.26x = 134,056.30 × 54,699.88 - Step 4: Simplify right side
97,142.26x = 7,332,863,523.24 - Step 5: Solve for x
x = 7,332,863,523.24/97,142.26 - Step 6: Final answer
x = 75,485.82
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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.