Finding the Fourth Proportional to 86,708.92, 119,658.26 and 50,898.92
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Solution
The fourth proportional to 86,708.92, 119,658.26 and 50,898.92 is: 70,240.48
Step by Step Solution
- Step 1: Write the proportion equation
86,708.92 : 119,658.26 = 50,898.92 : x - Step 2: Convert to fraction form
86,708.92/119,658.26 = 50,898.92/x - Step 3: Cross multiply
86,708.92x = 119,658.26 × 50,898.92 - Step 4: Simplify right side
86,708.92x = 6,090,476,203.08 - Step 5: Solve for x
x = 6,090,476,203.08/86,708.92 - Step 6: Final answer
x = 70,240.48
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1.5x scale
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.