Finding the Fourth Proportional to 88,010.35, 121,453.62 and 47,724.06
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Solution
The fourth proportional to 88,010.35, 121,453.62 and 47,724.06 is: 65,858.84
Step by Step Solution
- Step 1: Write the proportion equation
88,010.35 : 121,453.62 = 47,724.06 : x - Step 2: Convert to fraction form
88,010.35/121,453.62 = 47,724.06/x - Step 3: Cross multiply
88,010.35x = 121,453.62 × 47,724.06 - Step 4: Simplify right side
88,010.35x = 5,796,259,848.10 - Step 5: Solve for x
x = 5,796,259,848.10/88,010.35 - Step 6: Final answer
x = 65,858.84
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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.