Finding the Fourth Proportional to 86,500.34, 129,739.35 and 27,341.99
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Solution
The fourth proportional to 86,500.34, 129,739.35 and 27,341.99 is: 41,009.46
Step by Step Solution
- Step 1: Write the proportion equation
86,500.34 : 129,739.35 = 27,341.99 : x - Step 2: Convert to fraction form
86,500.34/129,739.35 = 27,341.99/x - Step 3: Cross multiply
86,500.34x = 129,739.35 × 27,341.99 - Step 4: Simplify right side
86,500.34x = 3,547,332,010.31 - Step 5: Solve for x
x = 3,547,332,010.31/86,500.34 - Step 6: Final answer
x = 41,009.46
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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.