Finding the Fourth Proportional to 76,636.17, 114,957.27 and 26,721.36
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Solution
The fourth proportional to 76,636.17, 114,957.27 and 26,721.36 is: 40,083.09
Step by Step Solution
- Step 1: Write the proportion equation
76,636.17 : 114,957.27 = 26,721.36 : x - Step 2: Convert to fraction form
76,636.17/114,957.27 = 26,721.36/x - Step 3: Cross multiply
76,636.17x = 114,957.27 × 26,721.36 - Step 4: Simplify right side
76,636.17x = 3,071,814,596.29 - Step 5: Solve for x
x = 3,071,814,596.29/76,636.17 - Step 6: Final answer
x = 40,083.09
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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.