Finding the Fourth Proportional to 102,305.76, 141,182.37 and 59,856.09
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Solution
The fourth proportional to 102,305.76, 141,182.37 and 59,856.09 is: 82,601.65
Step by Step Solution
- Step 1: Write the proportion equation
102,305.76 : 141,182.37 = 59,856.09 : x - Step 2: Convert to fraction form
102,305.76/141,182.37 = 59,856.09/x - Step 3: Cross multiply
102,305.76x = 141,182.37 × 59,856.09 - Step 4: Simplify right side
102,305.76x = 8,450,624,645.13 - Step 5: Solve for x
x = 8,450,624,645.13/102,305.76 - Step 6: Final answer
x = 82,601.65
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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.