Finding the Fourth Proportional to 106,547.83, 159,779.99 and 39,951.65
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Solution
The fourth proportional to 106,547.83, 159,779.99 and 39,951.65 is: 59,911.82
Step by Step Solution
- Step 1: Write the proportion equation
106,547.83 : 159,779.99 = 39,951.65 : x - Step 2: Convert to fraction form
106,547.83/159,779.99 = 39,951.65/x - Step 3: Cross multiply
106,547.83x = 159,779.99 × 39,951.65 - Step 4: Simplify right side
106,547.83x = 6,383,474,736.81 - Step 5: Solve for x
x = 6,383,474,736.81/106,547.83 - Step 6: Final answer
x = 59,911.82
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1.5x scale
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.