Finding the Fourth Proportional to 98,492.08, 135,889.68 and 58,209.52
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Solution
The fourth proportional to 98,492.08, 135,889.68 and 58,209.52 is: 80,311.77
Step by Step Solution
- Step 1: Write the proportion equation
98,492.08 : 135,889.68 = 58,209.52 : x - Step 2: Convert to fraction form
98,492.08/135,889.68 = 58,209.52/x - Step 3: Cross multiply
98,492.08x = 135,889.68 × 58,209.52 - Step 4: Simplify right side
98,492.08x = 7,910,073,045.75 - Step 5: Solve for x
x = 7,910,073,045.75/98,492.08 - Step 6: Final answer
x = 80,311.77
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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.