Finding the Fourth Proportional to 126,876.79, 175,088.03 and 69,515.65
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Solution
The fourth proportional to 126,876.79, 175,088.03 and 69,515.65 is: 95,930.53
Step by Step Solution
- Step 1: Write the proportion equation
126,876.79 : 175,088.03 = 69,515.65 : x - Step 2: Convert to fraction form
126,876.79/175,088.03 = 69,515.65/x - Step 3: Cross multiply
126,876.79x = 175,088.03 × 69,515.65 - Step 4: Simplify right side
126,876.79x = 12,171,357,865.09 - Step 5: Solve for x
x = 12,171,357,865.09/126,876.79 - Step 6: Final answer
x = 95,930.53
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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.