Finding the Fourth Proportional to 94,805.20, 130,825.92 and 58,994.08
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Solution
The fourth proportional to 94,805.20, 130,825.92 and 58,994.08 is: 81,408.56
Step by Step Solution
- Step 1: Write the proportion equation
94,805.20 : 130,825.92 = 58,994.08 : x - Step 2: Convert to fraction form
94,805.20/130,825.92 = 58,994.08/x - Step 3: Cross multiply
94,805.20x = 130,825.92 × 58,994.08 - Step 4: Simplify right side
94,805.20x = 7,717,954,790.55 - Step 5: Solve for x
x = 7,717,954,790.55/94,805.20 - Step 6: Final answer
x = 81,408.56
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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.