Finding the Fourth Proportional to 68,341.80, 102,512.70 and 24,018.60
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Solution
The fourth proportional to 68,341.80, 102,512.70 and 24,018.60 is: 36,027.90
Step by Step Solution
- Step 1: Write the proportion equation
68,341.80 : 102,512.70 = 24,018.60 : x - Step 2: Convert to fraction form
68,341.80/102,512.70 = 24,018.60/x - Step 3: Cross multiply
68,341.80x = 102,512.70 × 24,018.60 - Step 4: Simplify right side
68,341.80x = 2,462,211,536.22 - Step 5: Solve for x
x = 2,462,211,536.22/68,341.80 - Step 6: Final answer
x = 36,027.90
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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.