Finding the Fourth Proportional to 88,305.72, 121,864.20 and 48,021.84
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Solution
The fourth proportional to 88,305.72, 121,864.20 and 48,021.84 is: 66,271.39
Step by Step Solution
- Step 1: Write the proportion equation
88,305.72 : 121,864.20 = 48,021.84 : x - Step 2: Convert to fraction form
88,305.72/121,864.20 = 48,021.84/x - Step 3: Cross multiply
88,305.72x = 121,864.20 × 48,021.84 - Step 4: Simplify right side
88,305.72x = 5,852,143,114.13 - Step 5: Solve for x
x = 5,852,143,114.13/88,305.72 - Step 6: Final answer
x = 66,271.39
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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.