Finding the Fourth Proportional to 86,892.99, 130,335.16 and 50,889.68
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Solution
The fourth proportional to 86,892.99, 130,335.16 and 50,889.68 is: 76,331.99
Step by Step Solution
- Step 1: Write the proportion equation
86,892.99 : 130,335.16 = 50,889.68 : x - Step 2: Convert to fraction form
86,892.99/130,335.16 = 50,889.68/x - Step 3: Cross multiply
86,892.99x = 130,335.16 × 50,889.68 - Step 4: Simplify right side
86,892.99x = 6,632,714,585.15 - Step 5: Solve for x
x = 6,632,714,585.15/86,892.99 - Step 6: Final answer
x = 76,331.99
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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.