Finding the Fourth Proportional to 88,122.36, 121,609.74 and 47,836.44
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Solution
The fourth proportional to 88,122.36, 121,609.74 and 47,836.44 is: 66,014.77
Step by Step Solution
- Step 1: Write the proportion equation
88,122.36 : 121,609.74 = 47,836.44 : x - Step 2: Convert to fraction form
88,122.36/121,609.74 = 47,836.44/x - Step 3: Cross multiply
88,122.36x = 121,609.74 × 47,836.44 - Step 4: Simplify right side
88,122.36x = 5,817,377,030.93 - Step 5: Solve for x
x = 5,817,377,030.93/88,122.36 - Step 6: Final answer
x = 66,014.77
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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.