Finding the Fourth Proportional to 88,124.16, 121,611.36 and 47,837.88
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Solution
The fourth proportional to 88,124.16, 121,611.36 and 47,837.88 is: 66,016.28
Step by Step Solution
- Step 1: Write the proportion equation
88,124.16 : 121,611.36 = 47,837.88 : x - Step 2: Convert to fraction form
88,124.16/121,611.36 = 47,837.88/x - Step 3: Cross multiply
88,124.16x = 121,611.36 × 47,837.88 - Step 4: Simplify right side
88,124.16x = 5,817,629,646.32 - Step 5: Solve for x
x = 5,817,629,646.32/88,124.16 - Step 6: Final answer
x = 66,016.28
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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.