Finding the Fourth Proportional to 79,344.66, 109,395.99 and 58,087.02
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Solution
The fourth proportional to 79,344.66, 109,395.99 and 58,087.02 is: 80,087.14
Step by Step Solution
- Step 1: Write the proportion equation
79,344.66 : 109,395.99 = 58,087.02 : x - Step 2: Convert to fraction form
79,344.66/109,395.99 = 58,087.02/x - Step 3: Cross multiply
79,344.66x = 109,395.99 × 58,087.02 - Step 4: Simplify right side
79,344.66x = 6,354,487,059.05 - Step 5: Solve for x
x = 6,354,487,059.05/79,344.66 - Step 6: Final answer
x = 80,087.14
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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.