Finding the Fourth Proportional to 79,008.98, 118,560.24 and 29,124.09
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Solution
The fourth proportional to 79,008.98, 118,560.24 and 29,124.09 is: 43,703.38
Step by Step Solution
- Step 1: Write the proportion equation
79,008.98 : 118,560.24 = 29,124.09 : x - Step 2: Convert to fraction form
79,008.98/118,560.24 = 29,124.09/x - Step 3: Cross multiply
79,008.98x = 118,560.24 × 29,124.09 - Step 4: Simplify right side
79,008.98x = 3,452,959,100.18 - Step 5: Solve for x
x = 3,452,959,100.18/79,008.98 - Step 6: Final answer
x = 43,703.38
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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.