Finding the Fourth Proportional to 84,893.44, 117,251.36 and 56,549.92
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Solution
The fourth proportional to 84,893.44, 117,251.36 and 56,549.92 is: 78,104.45
Step by Step Solution
- Step 1: Write the proportion equation
84,893.44 : 117,251.36 = 56,549.92 : x - Step 2: Convert to fraction form
84,893.44/117,251.36 = 56,549.92/x - Step 3: Cross multiply
84,893.44x = 117,251.36 × 56,549.92 - Step 4: Simplify right side
84,893.44x = 6,630,554,876.14 - Step 5: Solve for x
x = 6,630,554,876.14/84,893.44 - Step 6: Final answer
x = 78,104.45
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1.5x scale
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.