Finding the Fourth Proportional to 117,564.68, 162,240.44 and 63,850.75
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Solution
The fourth proportional to 117,564.68, 162,240.44 and 63,850.75 is: 88,114.68
Step by Step Solution
- Step 1: Write the proportion equation
117,564.68 : 162,240.44 = 63,850.75 : x - Step 2: Convert to fraction form
117,564.68/162,240.44 = 63,850.75/x - Step 3: Cross multiply
117,564.68x = 162,240.44 × 63,850.75 - Step 4: Simplify right side
117,564.68x = 10,359,173,774.33 - Step 5: Solve for x
x = 10,359,173,774.33/117,564.68 - Step 6: Final answer
x = 88,114.68
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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.