Finding the Fourth Proportional to 88,248.23, 121,783.49 and 47,961.99
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Solution
The fourth proportional to 88,248.23, 121,783.49 and 47,961.99 is: 66,188.05
Step by Step Solution
- Step 1: Write the proportion equation
88,248.23 : 121,783.49 = 47,961.99 : x - Step 2: Convert to fraction form
88,248.23/121,783.49 = 47,961.99/x - Step 3: Cross multiply
88,248.23x = 121,783.49 × 47,961.99 - Step 4: Simplify right side
88,248.23x = 5,840,978,289.74 - Step 5: Solve for x
x = 5,840,978,289.74/88,248.23 - Step 6: Final answer
x = 66,188.05
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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.