Finding the Fourth Proportional to 102,239.76, 141,129.36 and 59,811.96
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Solution
The fourth proportional to 102,239.76, 141,129.36 and 59,811.96 is: 82,563.02
Step by Step Solution
- Step 1: Write the proportion equation
102,239.76 : 141,129.36 = 59,811.96 : x - Step 2: Convert to fraction form
102,239.76/141,129.36 = 59,811.96/x - Step 3: Cross multiply
102,239.76x = 141,129.36 × 59,811.96 - Step 4: Simplify right side
102,239.76x = 8,441,223,635.15 - Step 5: Solve for x
x = 8,441,223,635.15/102,239.76 - Step 6: Final answer
x = 82,563.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.