Finding the Fourth Proportional to 83,806.08, 125,763.84 and 31,257.60
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Solution
The fourth proportional to 83,806.08, 125,763.84 and 31,257.60 is: 46,906.81
Step by Step Solution
- Step 1: Write the proportion equation
83,806.08 : 125,763.84 = 31,257.60 : x - Step 2: Convert to fraction form
83,806.08/125,763.84 = 31,257.60/x - Step 3: Cross multiply
83,806.08x = 125,763.84 × 31,257.60 - Step 4: Simplify right side
83,806.08x = 3,931,075,805.18 - Step 5: Solve for x
x = 3,931,075,805.18/83,806.08 - Step 6: Final answer
x = 46,906.81
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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.