Finding the Fourth Proportional to 88,109.36, 121,591.02 and 47,823.12
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Solution
The fourth proportional to 88,109.36, 121,591.02 and 47,823.12 is: 65,995.96
Step by Step Solution
- Step 1: Write the proportion equation
88,109.36 : 121,591.02 = 47,823.12 : x - Step 2: Convert to fraction form
88,109.36/121,591.02 = 47,823.12/x - Step 3: Cross multiply
88,109.36x = 121,591.02 × 47,823.12 - Step 4: Simplify right side
88,109.36x = 5,814,861,940.38 - Step 5: Solve for x
x = 5,814,861,940.38/88,109.36 - Step 6: Final answer
x = 65,995.96
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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.