Finding the Fourth Proportional to 75,852.48, 113,778.81 and 25,933.08
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Solution
The fourth proportional to 75,852.48, 113,778.81 and 25,933.08 is: 38,899.65
Step by Step Solution
- Step 1: Write the proportion equation
75,852.48 : 113,778.81 = 25,933.08 : x - Step 2: Convert to fraction form
75,852.48/113,778.81 = 25,933.08/x - Step 3: Cross multiply
75,852.48x = 113,778.81 × 25,933.08 - Step 4: Simplify right side
75,852.48x = 2,950,634,982.03 - Step 5: Solve for x
x = 2,950,634,982.03/75,852.48 - Step 6: Final answer
x = 38,899.65
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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.