Finding the Fourth Proportional to 115,826.54, 159,823.62 and 64,836.62
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Solution
The fourth proportional to 115,826.54, 159,823.62 and 64,836.62 is: 89,465.02
Step by Step Solution
- Step 1: Write the proportion equation
115,826.54 : 159,823.62 = 64,836.62 : x - Step 2: Convert to fraction form
115,826.54/159,823.62 = 64,836.62/x - Step 3: Cross multiply
115,826.54x = 159,823.62 × 64,836.62 - Step 4: Simplify right side
115,826.54x = 10,362,423,316.96 - Step 5: Solve for x
x = 10,362,423,316.96/115,826.54 - Step 6: Final answer
x = 89,465.02
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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.