Finding the Fourth Proportional to 74,961.99, 112,442.99 and 22,369.77
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Solution
The fourth proportional to 74,961.99, 112,442.99 and 22,369.77 is: 33,554.66
Step by Step Solution
- Step 1: Write the proportion equation
74,961.99 : 112,442.99 = 22,369.77 : x - Step 2: Convert to fraction form
74,961.99/112,442.99 = 22,369.77/x - Step 3: Cross multiply
74,961.99x = 112,442.99 × 22,369.77 - Step 4: Simplify right side
74,961.99x = 2,515,323,712.56 - Step 5: Solve for x
x = 2,515,323,712.56/74,961.99 - Step 6: Final answer
x = 33,554.66
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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.