Finding the Fourth Proportional to 80,115.98, 110,587.85 and 46,137.99
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Solution
The fourth proportional to 80,115.98, 110,587.85 and 46,137.99 is: 63,686.44
Step by Step Solution
- Step 1: Write the proportion equation
80,115.98 : 110,587.85 = 46,137.99 : x - Step 2: Convert to fraction form
80,115.98/110,587.85 = 46,137.99/x - Step 3: Cross multiply
80,115.98x = 110,587.85 × 46,137.99 - Step 4: Simplify right side
80,115.98x = 5,102,300,886.73 - Step 5: Solve for x
x = 5,102,300,886.73/80,115.98 - Step 6: Final answer
x = 63,686.44
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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.