Finding the Fourth Proportional to 76,044.80, 104,967.96 and 44,223.68
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Solution
The fourth proportional to 76,044.80, 104,967.96 and 44,223.68 is: 61,043.88
Step by Step Solution
- Step 1: Write the proportion equation
76,044.80 : 104,967.96 = 44,223.68 : x - Step 2: Convert to fraction form
76,044.80/104,967.96 = 44,223.68/x - Step 3: Cross multiply
76,044.80x = 104,967.96 × 44,223.68 - Step 4: Simplify right side
76,044.80x = 4,642,069,473.29 - Step 5: Solve for x
x = 4,642,069,473.29/76,044.80 - Step 6: Final answer
x = 61,043.88
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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.