Finding the Fourth Proportional to 68,588.60, 102,755.54 and 35,328.84
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Solution
The fourth proportional to 68,588.60, 102,755.54 and 35,328.84 is: 52,927.66
Step by Step Solution
- Step 1: Write the proportion equation
68,588.60 : 102,755.54 = 35,328.84 : x - Step 2: Convert to fraction form
68,588.60/102,755.54 = 35,328.84/x - Step 3: Cross multiply
68,588.60x = 102,755.54 × 35,328.84 - Step 4: Simplify right side
68,588.60x = 3,630,234,031.77 - Step 5: Solve for x
x = 3,630,234,031.77/68,588.60 - Step 6: Final answer
x = 52,927.66
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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.