Finding the Fourth Proportional to 97,613.37, 134,695.35 and 55,171.80
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Solution
The fourth proportional to 97,613.37, 134,695.35 and 55,171.80 is: 76,130.81
Step by Step Solution
- Step 1: Write the proportion equation
97,613.37 : 134,695.35 = 55,171.80 : x - Step 2: Convert to fraction form
97,613.37/134,695.35 = 55,171.80/x - Step 3: Cross multiply
97,613.37x = 134,695.35 × 55,171.80 - Step 4: Simplify right side
97,613.37x = 7,431,384,911.13 - Step 5: Solve for x
x = 7,431,384,911.13/97,613.37 - Step 6: Final answer
x = 76,130.81
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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.