Finding the Fourth Proportional to 74,552.30, 102,882.99 and 40,560.98
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Solution
The fourth proportional to 74,552.30, 102,882.99 and 40,560.98 is: 55,974.60
Step by Step Solution
- Step 1: Write the proportion equation
74,552.30 : 102,882.99 = 40,560.98 : x - Step 2: Convert to fraction form
74,552.30/102,882.99 = 40,560.98/x - Step 3: Cross multiply
74,552.30x = 102,882.99 × 40,560.98 - Step 4: Simplify right side
74,552.30x = 4,173,034,899.73 - Step 5: Solve for x
x = 4,173,034,899.73/74,552.30 - Step 6: Final answer
x = 55,974.60
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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.