Finding the Fourth Proportional to 97,717.92, 134,854.04 and 57,431.10
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Solution
The fourth proportional to 97,717.92, 134,854.04 and 57,431.10 is: 79,256.86
Step by Step Solution
- Step 1: Write the proportion equation
97,717.92 : 134,854.04 = 57,431.10 : x - Step 2: Convert to fraction form
97,717.92/134,854.04 = 57,431.10/x - Step 3: Cross multiply
97,717.92x = 134,854.04 × 57,431.10 - Step 4: Simplify right side
97,717.92x = 7,744,815,856.64 - Step 5: Solve for x
x = 7,744,815,856.64/97,717.92 - Step 6: Final answer
x = 79,256.86
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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.