Finding the Fourth Proportional to 68,124.05, 102,081.98 and 28,659.53
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Solution
The fourth proportional to 68,124.05, 102,081.98 and 28,659.53 is: 42,945.50
Step by Step Solution
- Step 1: Write the proportion equation
68,124.05 : 102,081.98 = 28,659.53 : x - Step 2: Convert to fraction form
68,124.05/102,081.98 = 28,659.53/x - Step 3: Cross multiply
68,124.05x = 102,081.98 × 28,659.53 - Step 4: Simplify right side
68,124.05x = 2,925,621,424.97 - Step 5: Solve for x
x = 2,925,621,424.97/68,124.05 - Step 6: Final answer
x = 42,945.50
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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.