Finding the Fourth Proportional to 86,924.44, 119,951.58 and 53,383.96
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Solution
The fourth proportional to 86,924.44, 119,951.58 and 53,383.96 is: 73,667.32
Step by Step Solution
- Step 1: Write the proportion equation
86,924.44 : 119,951.58 = 53,383.96 : x - Step 2: Convert to fraction form
86,924.44/119,951.58 = 53,383.96/x - Step 3: Cross multiply
86,924.44x = 119,951.58 × 53,383.96 - Step 4: Simplify right side
86,924.44x = 6,403,490,348.66 - Step 5: Solve for x
x = 6,403,490,348.66/86,924.44 - Step 6: Final answer
x = 73,667.32
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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.