Finding the Fourth Proportional to 88,638.10, 122,320.94 and 48,352.75
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Solution
The fourth proportional to 88,638.10, 122,320.94 and 48,352.75 is: 66,726.99
Step by Step Solution
- Step 1: Write the proportion equation
88,638.10 : 122,320.94 = 48,352.75 : x - Step 2: Convert to fraction form
88,638.10/122,320.94 = 48,352.75/x - Step 3: Cross multiply
88,638.10x = 122,320.94 × 48,352.75 - Step 4: Simplify right side
88,638.10x = 5,914,553,284.02 - Step 5: Solve for x
x = 5,914,553,284.02/88,638.10 - Step 6: Final answer
x = 66,726.99
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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.