Finding the Fourth Proportional to 75,777.19, 113,670.34 and 23,187.13
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Solution
The fourth proportional to 75,777.19, 113,670.34 and 23,187.13 is: 34,782.09
Step by Step Solution
- Step 1: Write the proportion equation
75,777.19 : 113,670.34 = 23,187.13 : x - Step 2: Convert to fraction form
75,777.19/113,670.34 = 23,187.13/x - Step 3: Cross multiply
75,777.19x = 113,670.34 × 23,187.13 - Step 4: Simplify right side
75,777.19x = 2,635,688,608.58 - Step 5: Solve for x
x = 2,635,688,608.58/75,777.19 - Step 6: Final answer
x = 34,782.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.