Finding the Fourth Proportional to 96,079.05, 144,174.74 and 69,398.73
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Solution
The fourth proportional to 96,079.05, 144,174.74 and 69,398.73 is: 104,138.66
Step by Step Solution
- Step 1: Write the proportion equation
96,079.05 : 144,174.74 = 69,398.73 : x - Step 2: Convert to fraction form
96,079.05/144,174.74 = 69,398.73/x - Step 3: Cross multiply
96,079.05x = 144,174.74 × 69,398.73 - Step 4: Simplify right side
96,079.05x = 10,005,543,507.09 - Step 5: Solve for x
x = 10,005,543,507.09/96,079.05 - Step 6: Final answer
x = 104,138.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.