Finding the Fourth Proportional to 83,949.87, 115,858.99 and 62,692.23
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Solution
The fourth proportional to 83,949.87, 115,858.99 and 62,692.23 is: 86,521.38
Step by Step Solution
- Step 1: Write the proportion equation
83,949.87 : 115,858.99 = 62,692.23 : x - Step 2: Convert to fraction form
83,949.87/115,858.99 = 62,692.23/x - Step 3: Cross multiply
83,949.87x = 115,858.99 × 62,692.23 - Step 4: Simplify right side
83,949.87x = 7,263,458,309.78 - Step 5: Solve for x
x = 7,263,458,309.78/83,949.87 - Step 6: Final answer
x = 86,521.38
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1.5x scale
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.