Finding the Fourth Proportional to 88,283.74, 121,833.96 and 48,000.21
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Solution
The fourth proportional to 88,283.74, 121,833.96 and 48,000.21 is: 66,241.60
Step by Step Solution
- Step 1: Write the proportion equation
88,283.74 : 121,833.96 = 48,000.21 : x - Step 2: Convert to fraction form
88,283.74/121,833.96 = 48,000.21/x - Step 3: Cross multiply
88,283.74x = 121,833.96 × 48,000.21 - Step 4: Simplify right side
88,283.74x = 5,848,055,665.13 - Step 5: Solve for x
x = 5,848,055,665.13/88,283.74 - Step 6: Final answer
x = 66,241.60
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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.