Finding the Fourth Proportional to 88,187.88, 121,652.63 and 55,865.48
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Solution
The fourth proportional to 88,187.88, 121,652.63 and 55,865.48 is: 77,064.80
Step by Step Solution
- Step 1: Write the proportion equation
88,187.88 : 121,652.63 = 55,865.48 : x - Step 2: Convert to fraction form
88,187.88/121,652.63 = 55,865.48/x - Step 3: Cross multiply
88,187.88x = 121,652.63 × 55,865.48 - Step 4: Simplify right side
88,187.88x = 6,796,181,680.62 - Step 5: Solve for x
x = 6,796,181,680.62/88,187.88 - Step 6: Final answer
x = 77,064.80
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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.