Finding the Fourth Proportional to 104,521.53, 144,239.99 and 56,774.49
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Solution
The fourth proportional to 104,521.53, 144,239.99 and 56,774.49 is: 78,348.94
Step by Step Solution
- Step 1: Write the proportion equation
104,521.53 : 144,239.99 = 56,774.49 : x - Step 2: Convert to fraction form
104,521.53/144,239.99 = 56,774.49/x - Step 3: Cross multiply
104,521.53x = 144,239.99 × 56,774.49 - Step 4: Simplify right side
104,521.53x = 8,189,151,585.98 - Step 5: Solve for x
x = 8,189,151,585.98/104,521.53 - Step 6: Final answer
x = 78,348.94
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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.