Finding the Fourth Proportional to 84,037.77, 126,075.35 and 36,660.53
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Solution
The fourth proportional to 84,037.77, 126,075.35 and 36,660.53 is: 54,998.96
Step by Step Solution
- Step 1: Write the proportion equation
84,037.77 : 126,075.35 = 36,660.53 : x - Step 2: Convert to fraction form
84,037.77/126,075.35 = 36,660.53/x - Step 3: Cross multiply
84,037.77x = 126,075.35 × 36,660.53 - Step 4: Simplify right side
84,037.77x = 4,621,989,557.78 - Step 5: Solve for x
x = 4,621,989,557.78/84,037.77 - Step 6: Final answer
x = 54,998.96
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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.