Finding the Fourth Proportional to 68,510.08, 102,702.80 and 26,363.28
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Solution
The fourth proportional to 68,510.08, 102,702.80 and 26,363.28 is: 39,520.94
Step by Step Solution
- Step 1: Write the proportion equation
68,510.08 : 102,702.80 = 26,363.28 : x - Step 2: Convert to fraction form
68,510.08/102,702.80 = 26,363.28/x - Step 3: Cross multiply
68,510.08x = 102,702.80 × 26,363.28 - Step 4: Simplify right side
68,510.08x = 2,707,582,673.18 - Step 5: Solve for x
x = 2,707,582,673.18/68,510.08 - Step 6: Final answer
x = 39,520.94
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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.