Finding the Fourth Proportional to 79,037.46, 109,073.84 and 43,229.58
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Solution
The fourth proportional to 79,037.46, 109,073.84 and 43,229.58 is: 59,657.99
Step by Step Solution
- Step 1: Write the proportion equation
79,037.46 : 109,073.84 = 43,229.58 : x - Step 2: Convert to fraction form
79,037.46/109,073.84 = 43,229.58/x - Step 3: Cross multiply
79,037.46x = 109,073.84 × 43,229.58 - Step 4: Simplify right side
79,037.46x = 4,715,216,076.04 - Step 5: Solve for x
x = 4,715,216,076.04/79,037.46 - Step 6: Final answer
x = 59,657.99
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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.