Finding the Fourth Proportional to 83,844.64, 115,692.87 and 47,544.09
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Solution
The fourth proportional to 83,844.64, 115,692.87 and 47,544.09 is: 65,603.62
Step by Step Solution
- Step 1: Write the proportion equation
83,844.64 : 115,692.87 = 47,544.09 : x - Step 2: Convert to fraction form
83,844.64/115,692.87 = 47,544.09/x - Step 3: Cross multiply
83,844.64x = 115,692.87 × 47,544.09 - Step 4: Simplify right side
83,844.64x = 5,500,512,223.64 - Step 5: Solve for x
x = 5,500,512,223.64/83,844.64 - Step 6: Final answer
x = 65,603.62
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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.