Finding the Fourth Proportional to 99,037.98, 148,573.36 and 49,119.70
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Solution
The fourth proportional to 99,037.98, 148,573.36 and 49,119.70 is: 73,687.68
Step by Step Solution
- Step 1: Write the proportion equation
99,037.98 : 148,573.36 = 49,119.70 : x - Step 2: Convert to fraction form
99,037.98/148,573.36 = 49,119.70/x - Step 3: Cross multiply
99,037.98x = 148,573.36 × 49,119.70 - Step 4: Simplify right side
99,037.98x = 7,297,878,871.19 - Step 5: Solve for x
x = 7,297,878,871.19/99,037.98 - Step 6: Final answer
x = 73,687.68
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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.