Finding the Fourth Proportional to 68,125.05, 102,083.48 and 28,660.53
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Solution
The fourth proportional to 68,125.05, 102,083.48 and 28,660.53 is: 42,947.00
Step by Step Solution
- Step 1: Write the proportion equation
68,125.05 : 102,083.48 = 28,660.53 : x - Step 2: Convert to fraction form
68,125.05/102,083.48 = 28,660.53/x - Step 3: Cross multiply
68,125.05x = 102,083.48 × 28,660.53 - Step 4: Simplify right side
68,125.05x = 2,925,766,497.74 - Step 5: Solve for x
x = 2,925,766,497.74/68,125.05 - Step 6: Final answer
x = 42,947.00
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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.