Finding the Fourth Proportional to 86,383.08, 129,579.75 and 26,410.08
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Solution
The fourth proportional to 86,383.08, 129,579.75 and 26,410.08 is: 39,616.68
Step by Step Solution
- Step 1: Write the proportion equation
86,383.08 : 129,579.75 = 26,410.08 : x - Step 2: Convert to fraction form
86,383.08/129,579.75 = 26,410.08/x - Step 3: Cross multiply
86,383.08x = 129,579.75 × 26,410.08 - Step 4: Simplify right side
86,383.08x = 3,422,210,956.47 - Step 5: Solve for x
x = 3,422,210,956.47/86,383.08 - Step 6: Final answer
x = 39,616.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.