Finding the Fourth Proportional to 74,593.01, 102,940.52 and 40,603.70
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Solution
The fourth proportional to 74,593.01, 102,940.52 and 40,603.70 is: 56,034.28
Step by Step Solution
- Step 1: Write the proportion equation
74,593.01 : 102,940.52 = 40,603.70 : x - Step 2: Convert to fraction form
74,593.01/102,940.52 = 40,603.70/x - Step 3: Cross multiply
74,593.01x = 102,940.52 × 40,603.70 - Step 4: Simplify right side
74,593.01x = 4,179,766,046.26 - Step 5: Solve for x
x = 4,179,766,046.26/74,593.01 - Step 6: Final answer
x = 56,034.28
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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.