Finding the Fourth Proportional to 88,335.50, 121,902.99 and 50,631.62
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Solution
The fourth proportional to 88,335.50, 121,902.99 and 50,631.62 is: 69,871.64
Step by Step Solution
- Step 1: Write the proportion equation
88,335.50 : 121,902.99 = 50,631.62 : x - Step 2: Convert to fraction form
88,335.50/121,902.99 = 50,631.62/x - Step 3: Cross multiply
88,335.50x = 121,902.99 × 50,631.62 - Step 4: Simplify right side
88,335.50x = 6,172,145,866.54 - Step 5: Solve for x
x = 6,172,145,866.54/88,335.50 - Step 6: Final answer
x = 69,871.64
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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.