Finding the Fourth Proportional to 84,271.56, 116,292.69 and 48,460.75
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Solution
The fourth proportional to 84,271.56, 116,292.69 and 48,460.75 is: 66,874.65
Step by Step Solution
- Step 1: Write the proportion equation
84,271.56 : 116,292.69 = 48,460.75 : x - Step 2: Convert to fraction form
84,271.56/116,292.69 = 48,460.75/x - Step 3: Cross multiply
84,271.56x = 116,292.69 × 48,460.75 - Step 4: Simplify right side
84,271.56x = 5,635,630,976.92 - Step 5: Solve for x
x = 5,635,630,976.92/84,271.56 - Step 6: Final answer
x = 66,874.65
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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.