Finding the Fourth Proportional to 76,463.48, 114,542.12 and 59,745.08
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Solution
The fourth proportional to 76,463.48, 114,542.12 and 59,745.08 is: 89,497.99
Step by Step Solution
- Step 1: Write the proportion equation
76,463.48 : 114,542.12 = 59,745.08 : x - Step 2: Convert to fraction form
76,463.48/114,542.12 = 59,745.08/x - Step 3: Cross multiply
76,463.48x = 114,542.12 × 59,745.08 - Step 4: Simplify right side
76,463.48x = 6,843,328,122.77 - Step 5: Solve for x
x = 6,843,328,122.77/76,463.48 - Step 6: Final answer
x = 89,497.99
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1.5x scale
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.