Finding the Fourth Proportional to 79,159.12, 118,751.90 and 29,239.33
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Solution
The fourth proportional to 79,159.12, 118,751.90 and 29,239.33 is: 43,863.88
Step by Step Solution
- Step 1: Write the proportion equation
79,159.12 : 118,751.90 = 29,239.33 : x - Step 2: Convert to fraction form
79,159.12/118,751.90 = 29,239.33/x - Step 3: Cross multiply
79,159.12x = 118,751.90 × 29,239.33 - Step 4: Simplify right side
79,159.12x = 3,472,225,992.23 - Step 5: Solve for x
x = 3,472,225,992.23/79,159.12 - Step 6: Final answer
x = 43,863.88
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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.