Finding the Fourth Proportional to 83,702.99, 125,554.49 and 36,946.55
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Solution
The fourth proportional to 83,702.99, 125,554.49 and 36,946.55 is: 55,419.83
Step by Step Solution
- Step 1: Write the proportion equation
83,702.99 : 125,554.49 = 36,946.55 : x - Step 2: Convert to fraction form
83,702.99/125,554.49 = 36,946.55/x - Step 3: Cross multiply
83,702.99x = 125,554.49 × 36,946.55 - Step 4: Simplify right side
83,702.99x = 4,638,805,510.21 - Step 5: Solve for x
x = 4,638,805,510.21/83,702.99 - Step 6: Final answer
x = 55,419.83
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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.