Finding the Fourth Proportional to 79,240.93, 118,822.58 and 39,213.70
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Solution
The fourth proportional to 79,240.93, 118,822.58 and 39,213.70 is: 58,801.34
Step by Step Solution
- Step 1: Write the proportion equation
79,240.93 : 118,822.58 = 39,213.70 : x - Step 2: Convert to fraction form
79,240.93/118,822.58 = 39,213.70/x - Step 3: Cross multiply
79,240.93x = 118,822.58 × 39,213.70 - Step 4: Simplify right side
79,240.93x = 4,659,472,806.32 - Step 5: Solve for x
x = 4,659,472,806.32/79,240.93 - Step 6: Final answer
x = 58,801.34
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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.