Finding the Fourth Proportional to 88,397.41, 121,991.42 and 48,112.64
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Solution
The fourth proportional to 88,397.41, 121,991.42 and 48,112.64 is: 66,397.07
Step by Step Solution
- Step 1: Write the proportion equation
88,397.41 : 121,991.42 = 48,112.64 : x - Step 2: Convert to fraction form
88,397.41/121,991.42 = 48,112.64/x - Step 3: Cross multiply
88,397.41x = 121,991.42 × 48,112.64 - Step 4: Simplify right side
88,397.41x = 5,869,328,663.59 - Step 5: Solve for x
x = 5,869,328,663.59/88,397.41 - Step 6: Final answer
x = 66,397.07
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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.