Finding the Fourth Proportional to 97,311.04, 134,286.19 and 57,051.62
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Solution
The fourth proportional to 97,311.04, 134,286.19 and 57,051.62 is: 78,729.45
Step by Step Solution
- Step 1: Write the proportion equation
97,311.04 : 134,286.19 = 57,051.62 : x - Step 2: Convert to fraction form
97,311.04/134,286.19 = 57,051.62/x - Step 3: Cross multiply
97,311.04x = 134,286.19 × 57,051.62 - Step 4: Simplify right side
97,311.04x = 7,661,244,683.13 - Step 5: Solve for x
x = 7,661,244,683.13/97,311.04 - Step 6: Final answer
x = 78,729.45
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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.