Finding the Fourth Proportional to 76,857.93, 114,522.86 and 68,473.52
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Solution
The fourth proportional to 76,857.93, 114,522.86 and 68,473.52 is: 102,029.59
Step by Step Solution
- Step 1: Write the proportion equation
76,857.93 : 114,522.86 = 68,473.52 : x - Step 2: Convert to fraction form
76,857.93/114,522.86 = 68,473.52/x - Step 3: Cross multiply
76,857.93x = 114,522.86 × 68,473.52 - Step 4: Simplify right side
76,857.93x = 7,841,783,344.67 - Step 5: Solve for x
x = 7,841,783,344.67/76,857.93 - Step 6: Final answer
x = 102,029.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.