Finding the Fourth Proportional to 106,541.08, 159,769.87 and 39,944.90
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Solution
The fourth proportional to 106,541.08, 159,769.87 and 39,944.90 is: 59,901.70
Step by Step Solution
- Step 1: Write the proportion equation
106,541.08 : 159,769.87 = 39,944.90 : x - Step 2: Convert to fraction form
106,541.08/159,769.87 = 39,944.90/x - Step 3: Cross multiply
106,541.08x = 159,769.87 × 39,944.90 - Step 4: Simplify right side
106,541.08x = 6,381,991,779.73 - Step 5: Solve for x
x = 6,381,991,779.73/106,541.08 - Step 6: Final answer
x = 59,901.70
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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.