Finding the Fourth Proportional to 88,163.16, 121,662.78 and 47,875.08
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Solution
The fourth proportional to 88,163.16, 121,662.78 and 47,875.08 is: 66,066.32
Step by Step Solution
- Step 1: Write the proportion equation
88,163.16 : 121,662.78 = 47,875.08 : x - Step 2: Convert to fraction form
88,163.16/121,662.78 = 47,875.08/x - Step 3: Cross multiply
88,163.16x = 121,662.78 × 47,875.08 - Step 4: Simplify right side
88,163.16x = 5,824,615,325.52 - Step 5: Solve for x
x = 5,824,615,325.52/88,163.16 - Step 6: Final answer
x = 66,066.32
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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.