Finding the Fourth Proportional to 86,625.52, 119,542.30 and 50,808.75
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Solution
The fourth proportional to 86,625.52, 119,542.30 and 50,808.75 is: 70,115.54
Step by Step Solution
- Step 1: Write the proportion equation
86,625.52 : 119,542.30 = 50,808.75 : x - Step 2: Convert to fraction form
86,625.52/119,542.30 = 50,808.75/x - Step 3: Cross multiply
86,625.52x = 119,542.30 × 50,808.75 - Step 4: Simplify right side
86,625.52x = 6,073,794,835.13 - Step 5: Solve for x
x = 6,073,794,835.13/86,625.52 - Step 6: Final answer
x = 70,115.54
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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.