Finding the Fourth Proportional to 68,219.76, 102,343.48 and 21,461.76
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Solution
The fourth proportional to 68,219.76, 102,343.48 and 21,461.76 is: 32,196.99
Step by Step Solution
- Step 1: Write the proportion equation
68,219.76 : 102,343.48 = 21,461.76 : x - Step 2: Convert to fraction form
68,219.76/102,343.48 = 21,461.76/x - Step 3: Cross multiply
68,219.76x = 102,343.48 × 21,461.76 - Step 4: Simplify right side
68,219.76x = 2,196,471,205.32 - Step 5: Solve for x
x = 2,196,471,205.32/68,219.76 - Step 6: Final answer
x = 32,196.99
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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.