Finding the Fourth Proportional to 98,710.57, 148,082.21 and 34,652.09
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Solution
The fourth proportional to 98,710.57, 148,082.21 and 34,652.09 is: 51,983.88
Step by Step Solution
- Step 1: Write the proportion equation
98,710.57 : 148,082.21 = 34,652.09 : x - Step 2: Convert to fraction form
98,710.57/148,082.21 = 34,652.09/x - Step 3: Cross multiply
98,710.57x = 148,082.21 × 34,652.09 - Step 4: Simplify right side
98,710.57x = 5,131,358,525.15 - Step 5: Solve for x
x = 5,131,358,525.15/98,710.57 - Step 6: Final answer
x = 51,983.88
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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.