Finding the Fourth Proportional to 79,281.26, 118,939.39 and 23,125.77
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Solution
The fourth proportional to 79,281.26, 118,939.39 and 23,125.77 is: 34,693.75
Step by Step Solution
- Step 1: Write the proportion equation
79,281.26 : 118,939.39 = 23,125.77 : x - Step 2: Convert to fraction form
79,281.26/118,939.39 = 23,125.77/x - Step 3: Cross multiply
79,281.26x = 118,939.39 × 23,125.77 - Step 4: Simplify right side
79,281.26x = 2,750,564,473.24 - Step 5: Solve for x
x = 2,750,564,473.24/79,281.26 - Step 6: Final answer
x = 34,693.75
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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.