Finding the Fourth Proportional to 68,883.06, 103,225.92 and 39,239.70
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Solution
The fourth proportional to 68,883.06, 103,225.92 and 39,239.70 is: 58,803.34
Step by Step Solution
- Step 1: Write the proportion equation
68,883.06 : 103,225.92 = 39,239.70 : x - Step 2: Convert to fraction form
68,883.06/103,225.92 = 39,239.70/x - Step 3: Cross multiply
68,883.06x = 103,225.92 × 39,239.70 - Step 4: Simplify right side
68,883.06x = 4,050,554,133.02 - Step 5: Solve for x
x = 4,050,554,133.02/68,883.06 - Step 6: Final answer
x = 58,803.34
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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.