Finding the Fourth Proportional to 96,123.68, 132,631.44 and 53,675.68
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Solution
The fourth proportional to 96,123.68, 132,631.44 and 53,675.68 is: 74,061.70
Step by Step Solution
- Step 1: Write the proportion equation
96,123.68 : 132,631.44 = 53,675.68 : x - Step 2: Convert to fraction form
96,123.68/132,631.44 = 53,675.68/x - Step 3: Cross multiply
96,123.68x = 132,631.44 × 53,675.68 - Step 4: Simplify right side
96,123.68x = 7,119,082,731.38 - Step 5: Solve for x
x = 7,119,082,731.38/96,123.68 - Step 6: Final answer
x = 74,061.70
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1.5x scale
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.