Finding the Fourth Proportional to 79,869.76, 119,759.69 and 26,533.19
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Solution
The fourth proportional to 79,869.76, 119,759.69 and 26,533.19 is: 39,784.84
Step by Step Solution
- Step 1: Write the proportion equation
79,869.76 : 119,759.69 = 26,533.19 : x - Step 2: Convert to fraction form
79,869.76/119,759.69 = 26,533.19/x - Step 3: Cross multiply
79,869.76x = 119,759.69 × 26,533.19 - Step 4: Simplify right side
79,869.76x = 3,177,605,877.65 - Step 5: Solve for x
x = 3,177,605,877.65/79,869.76 - Step 6: Final answer
x = 39,784.84
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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.