Finding the Fourth Proportional to 68,024.19, 102,009.60 and 25,881.90
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Solution
The fourth proportional to 68,024.19, 102,009.60 and 25,881.90 is: 38,812.70
Step by Step Solution
- Step 1: Write the proportion equation
68,024.19 : 102,009.60 = 25,881.90 : x - Step 2: Convert to fraction form
68,024.19/102,009.60 = 25,881.90/x - Step 3: Cross multiply
68,024.19x = 102,009.60 × 25,881.90 - Step 4: Simplify right side
68,024.19x = 2,640,202,266.24 - Step 5: Solve for x
x = 2,640,202,266.24/68,024.19 - Step 6: Final answer
x = 38,812.70
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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.