Finding the Fourth Proportional to 88,203.33, 121,739.76 and 54,241.02
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Solution
The fourth proportional to 88,203.33, 121,739.76 and 54,241.02 is: 74,864.39
Step by Step Solution
- Step 1: Write the proportion equation
88,203.33 : 121,739.76 = 54,241.02 : x - Step 2: Convert to fraction form
88,203.33/121,739.76 = 54,241.02/x - Step 3: Cross multiply
88,203.33x = 121,739.76 × 54,241.02 - Step 4: Simplify right side
88,203.33x = 6,603,288,756.96 - Step 5: Solve for x
x = 6,603,288,756.96/88,203.33 - Step 6: Final answer
x = 74,864.39
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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.