Finding the Fourth Proportional to 88,232.08, 121,760.18 and 47,945.75
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Solution
The fourth proportional to 88,232.08, 121,760.18 and 47,945.75 is: 66,165.08
Step by Step Solution
- Step 1: Write the proportion equation
88,232.08 : 121,760.18 = 47,945.75 : x - Step 2: Convert to fraction form
88,232.08/121,760.18 = 47,945.75/x - Step 3: Cross multiply
88,232.08x = 121,760.18 × 47,945.75 - Step 4: Simplify right side
88,232.08x = 5,837,882,301.71 - Step 5: Solve for x
x = 5,837,882,301.71/88,232.08 - Step 6: Final answer
x = 66,165.08
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1.5x scale
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.