Finding the Fourth Proportional to 77,810.26, 107,152.17 and 67,596.63
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Solution
The fourth proportional to 77,810.26, 107,152.17 and 67,596.63 is: 93,087.02
Step by Step Solution
- Step 1: Write the proportion equation
77,810.26 : 107,152.17 = 67,596.63 : x - Step 2: Convert to fraction form
77,810.26/107,152.17 = 67,596.63/x - Step 3: Cross multiply
77,810.26x = 107,152.17 × 67,596.63 - Step 4: Simplify right side
77,810.26x = 7,243,125,589.19 - Step 5: Solve for x
x = 7,243,125,589.19/77,810.26 - Step 6: Final answer
x = 93,087.02
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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.