Finding the Fourth Proportional to 88,501.68, 122,251.68 and 82,203.12
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Solution
The fourth proportional to 88,501.68, 122,251.68 and 82,203.12 is: 113,551.17
Step by Step Solution
- Step 1: Write the proportion equation
88,501.68 : 122,251.68 = 82,203.12 : x - Step 2: Convert to fraction form
88,501.68/122,251.68 = 82,203.12/x - Step 3: Cross multiply
88,501.68x = 122,251.68 × 82,203.12 - Step 4: Simplify right side
88,501.68x = 10,049,469,521.24 - Step 5: Solve for x
x = 10,049,469,521.24/88,501.68 - Step 6: Final answer
x = 113,551.17
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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.