Finding the Fourth Proportional to 88,713.88, 122,425.40 and 48,427.68
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Solution
The fourth proportional to 88,713.88, 122,425.40 and 48,427.68 is: 66,830.33
Step by Step Solution
- Step 1: Write the proportion equation
88,713.88 : 122,425.40 = 48,427.68 : x - Step 2: Convert to fraction form
88,713.88/122,425.40 = 48,427.68/x - Step 3: Cross multiply
88,713.88x = 122,425.40 × 48,427.68 - Step 4: Simplify right side
88,713.88x = 5,928,778,095.07 - Step 5: Solve for x
x = 5,928,778,095.07/88,713.88 - Step 6: Final answer
x = 66,830.33
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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.