Finding the Fourth Proportional to 86,727.24, 119,684.52 and 50,917.68
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Solution
The fourth proportional to 86,727.24, 119,684.52 and 50,917.68 is: 70,266.94
Step by Step Solution
- Step 1: Write the proportion equation
86,727.24 : 119,684.52 = 50,917.68 : x - Step 2: Convert to fraction form
86,727.24/119,684.52 = 50,917.68/x - Step 3: Cross multiply
86,727.24x = 119,684.52 × 50,917.68 - Step 4: Simplify right side
86,727.24x = 6,094,058,090.31 - Step 5: Solve for x
x = 6,094,058,090.31/86,727.24 - Step 6: Final answer
x = 70,266.94
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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.