Finding the Fourth Proportional to 74,944.44, 112,461.66 and 29,957.76
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Solution
The fourth proportional to 74,944.44, 112,461.66 and 29,957.76 is: 44,954.63
Step by Step Solution
- Step 1: Write the proportion equation
74,944.44 : 112,461.66 = 29,957.76 : x - Step 2: Convert to fraction form
74,944.44/112,461.66 = 29,957.76/x - Step 3: Cross multiply
74,944.44x = 112,461.66 × 29,957.76 - Step 4: Simplify right side
74,944.44x = 3,369,099,419.48 - Step 5: Solve for x
x = 3,369,099,419.48/74,944.44 - Step 6: Final answer
x = 44,954.63
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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.