Finding the Fourth Proportional to 97,863.76, 135,052.68 and 53,151.76
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Solution
The fourth proportional to 97,863.76, 135,052.68 and 53,151.76 is: 73,349.80
Step by Step Solution
- Step 1: Write the proportion equation
97,863.76 : 135,052.68 = 53,151.76 : x - Step 2: Convert to fraction form
97,863.76/135,052.68 = 53,151.76/x - Step 3: Cross multiply
97,863.76x = 135,052.68 × 53,151.76 - Step 4: Simplify right side
97,863.76x = 7,178,287,634.72 - Step 5: Solve for x
x = 7,178,287,634.72/97,863.76 - Step 6: Final answer
x = 73,349.80
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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.