Finding the Fourth Proportional to 88,349.36, 121,920.84 and 48,063.47
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Solution
The fourth proportional to 88,349.36, 121,920.84 and 48,063.47 is: 66,326.89
Step by Step Solution
- Step 1: Write the proportion equation
88,349.36 : 121,920.84 = 48,063.47 : x - Step 2: Convert to fraction form
88,349.36/121,920.84 = 48,063.47/x - Step 3: Cross multiply
88,349.36x = 121,920.84 × 48,063.47 - Step 4: Simplify right side
88,349.36x = 5,859,938,635.71 - Step 5: Solve for x
x = 5,859,938,635.71/88,349.36 - Step 6: Final answer
x = 66,326.89
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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.