Finding the Fourth Proportional to 97,700.99, 134,832.60 and 54,677.84
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Solution
The fourth proportional to 97,700.99, 134,832.60 and 54,677.84 is: 75,458.35
Step by Step Solution
- Step 1: Write the proportion equation
97,700.99 : 134,832.60 = 54,677.84 : x - Step 2: Convert to fraction form
97,700.99/134,832.60 = 54,677.84/x - Step 3: Cross multiply
97,700.99x = 134,832.60 × 54,677.84 - Step 4: Simplify right side
97,700.99x = 7,372,354,655.42 - Step 5: Solve for x
x = 7,372,354,655.42/97,700.99 - Step 6: Final answer
x = 75,458.35
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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.