Finding the Fourth Proportional to 77,137.61, 115,714.93 and 24,534.80
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Solution
The fourth proportional to 77,137.61, 115,714.93 and 24,534.80 is: 36,804.90
Step by Step Solution
- Step 1: Write the proportion equation
77,137.61 : 115,714.93 = 24,534.80 : x - Step 2: Convert to fraction form
77,137.61/115,714.93 = 24,534.80/x - Step 3: Cross multiply
77,137.61x = 115,714.93 × 24,534.80 - Step 4: Simplify right side
77,137.61x = 2,839,042,024.65 - Step 5: Solve for x
x = 2,839,042,024.65/77,137.61 - Step 6: Final answer
x = 36,804.90
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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.