Finding the Fourth Proportional to 77,820.99, 116,544.35 and 44,439.87
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Solution
The fourth proportional to 77,820.99, 116,544.35 and 44,439.87 is: 66,552.95
Step by Step Solution
- Step 1: Write the proportion equation
77,820.99 : 116,544.35 = 44,439.87 : x - Step 2: Convert to fraction form
77,820.99/116,544.35 = 44,439.87/x - Step 3: Cross multiply
77,820.99x = 116,544.35 × 44,439.87 - Step 4: Simplify right side
77,820.99x = 5,179,216,311.38 - Step 5: Solve for x
x = 5,179,216,311.38/77,820.99 - Step 6: Final answer
x = 66,552.95
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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.