Finding the Fourth Proportional to 68,572.18, 102,869.07 and 29,129.50
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Solution
The fourth proportional to 68,572.18, 102,869.07 and 29,129.50 is: 43,698.84
Step by Step Solution
- Step 1: Write the proportion equation
68,572.18 : 102,869.07 = 29,129.50 : x - Step 2: Convert to fraction form
68,572.18/102,869.07 = 29,129.50/x - Step 3: Cross multiply
68,572.18x = 102,869.07 × 29,129.50 - Step 4: Simplify right side
68,572.18x = 2,996,524,574.57 - Step 5: Solve for x
x = 2,996,524,574.57/68,572.18 - Step 6: Final answer
x = 43,698.84
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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.