Finding the Fourth Proportional to 83,219.76, 124,745.40 and 29,895.84
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Solution
The fourth proportional to 83,219.76, 124,745.40 and 29,895.84 is: 44,813.50
Step by Step Solution
- Step 1: Write the proportion equation
83,219.76 : 124,745.40 = 29,895.84 : x - Step 2: Convert to fraction form
83,219.76/124,745.40 = 29,895.84/x - Step 3: Cross multiply
83,219.76x = 124,745.40 × 29,895.84 - Step 4: Simplify right side
83,219.76x = 3,729,368,519.14 - Step 5: Solve for x
x = 3,729,368,519.14/83,219.76 - Step 6: Final answer
x = 44,813.50
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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.