Finding the Fourth Proportional to 79,127.18, 118,702.45 and 22,959.99
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Solution
The fourth proportional to 79,127.18, 118,702.45 and 22,959.99 is: 34,443.37
Step by Step Solution
- Step 1: Write the proportion equation
79,127.18 : 118,702.45 = 22,959.99 : x - Step 2: Convert to fraction form
79,127.18/118,702.45 = 22,959.99/x - Step 3: Cross multiply
79,127.18x = 118,702.45 × 22,959.99 - Step 4: Simplify right side
79,127.18x = 2,725,407,110.85 - Step 5: Solve for x
x = 2,725,407,110.85/79,127.18 - Step 6: Final answer
x = 34,443.37
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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.