Finding the Fourth Proportional to 88,249.23, 121,784.87 and 47,962.99
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Solution
The fourth proportional to 88,249.23, 121,784.87 and 47,962.99 is: 66,189.43
Step by Step Solution
- Step 1: Write the proportion equation
88,249.23 : 121,784.87 = 47,962.99 : x - Step 2: Convert to fraction form
88,249.23/121,784.87 = 47,962.99/x - Step 3: Cross multiply
88,249.23x = 121,784.87 × 47,962.99 - Step 4: Simplify right side
88,249.23x = 5,841,166,501.96 - Step 5: Solve for x
x = 5,841,166,501.96/88,249.23 - Step 6: Final answer
x = 66,189.43
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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.