Finding the Fourth Proportional to 97,103.29, 134,043.96 and 65,290.63
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Solution
The fourth proportional to 97,103.29, 134,043.96 and 65,290.63 is: 90,128.91
Step by Step Solution
- Step 1: Write the proportion equation
97,103.29 : 134,043.96 = 65,290.63 : x - Step 2: Convert to fraction form
97,103.29/134,043.96 = 65,290.63/x - Step 3: Cross multiply
97,103.29x = 134,043.96 × 65,290.63 - Step 4: Simplify right side
97,103.29x = 8,751,813,599.42 - Step 5: Solve for x
x = 8,751,813,599.42/97,103.29 - Step 6: Final answer
x = 90,128.91
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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.