Finding the Fourth Proportional to 79,025.84, 118,476.84 and 39,563.12
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Solution
The fourth proportional to 79,025.84, 118,476.84 and 39,563.12 is: 59,313.68
Step by Step Solution
- Step 1: Write the proportion equation
79,025.84 : 118,476.84 = 39,563.12 : x - Step 2: Convert to fraction form
79,025.84/118,476.84 = 39,563.12/x - Step 3: Cross multiply
79,025.84x = 118,476.84 × 39,563.12 - Step 4: Simplify right side
79,025.84x = 4,687,313,438.14 - Step 5: Solve for x
x = 4,687,313,438.14/79,025.84 - Step 6: Final answer
x = 59,313.68
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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.