Finding the Fourth Proportional to 88,463.13, 122,077.29 and 48,177.60
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Solution
The fourth proportional to 88,463.13, 122,077.29 and 48,177.60 is: 66,484.09
Step by Step Solution
- Step 1: Write the proportion equation
88,463.13 : 122,077.29 = 48,177.60 : x - Step 2: Convert to fraction form
88,463.13/122,077.29 = 48,177.60/x - Step 3: Cross multiply
88,463.13x = 122,077.29 × 48,177.60 - Step 4: Simplify right side
88,463.13x = 5,881,390,846.70 - Step 5: Solve for x
x = 5,881,390,846.70/88,463.13 - Step 6: Final answer
x = 66,484.09
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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.