Finding the Fourth Proportional to 104,701.26, 144,455.76 and 59,376.90
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Solution
The fourth proportional to 104,701.26, 144,455.76 and 59,376.90 is: 81,921.99
Step by Step Solution
- Step 1: Write the proportion equation
104,701.26 : 144,455.76 = 59,376.90 : x - Step 2: Convert to fraction form
104,701.26/144,455.76 = 59,376.90/x - Step 3: Cross multiply
104,701.26x = 144,455.76 × 59,376.90 - Step 4: Simplify right side
104,701.26x = 8,577,335,215.94 - Step 5: Solve for x
x = 8,577,335,215.94/104,701.26 - Step 6: Final answer
x = 81,921.99
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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.