Finding the Fourth Proportional to 92,572.44, 138,858.64 and 22,451.12
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Solution
The fourth proportional to 92,572.44, 138,858.64 and 22,451.12 is: 33,676.68
Step by Step Solution
- Step 1: Write the proportion equation
92,572.44 : 138,858.64 = 22,451.12 : x - Step 2: Convert to fraction form
92,572.44/138,858.64 = 22,451.12/x - Step 3: Cross multiply
92,572.44x = 138,858.64 × 22,451.12 - Step 4: Simplify right side
92,572.44x = 3,117,531,989.68 - Step 5: Solve for x
x = 3,117,531,989.68/92,572.44 - Step 6: Final answer
x = 33,676.68
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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.