Finding the Fourth Proportional to 104,141.79, 143,715.47 and 56,394.99
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Solution
The fourth proportional to 104,141.79, 143,715.47 and 56,394.99 is: 77,824.98
Step by Step Solution
- Step 1: Write the proportion equation
104,141.79 : 143,715.47 = 56,394.99 : x - Step 2: Convert to fraction form
104,141.79/143,715.47 = 56,394.99/x - Step 3: Cross multiply
104,141.79x = 143,715.47 × 56,394.99 - Step 4: Simplify right side
104,141.79x = 8,104,832,211.52 - Step 5: Solve for x
x = 8,104,832,211.52/104,141.79 - Step 6: Final answer
x = 77,824.98
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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.