Finding the Fourth Proportional to 104,794.68, 144,623.70 and 63,976.08
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Solution
The fourth proportional to 104,794.68, 144,623.70 and 63,976.08 is: 88,291.29
Step by Step Solution
- Step 1: Write the proportion equation
104,794.68 : 144,623.70 = 63,976.08 : x - Step 2: Convert to fraction form
104,794.68/144,623.70 = 63,976.08/x - Step 3: Cross multiply
104,794.68x = 144,623.70 × 63,976.08 - Step 4: Simplify right side
104,794.68x = 9,252,457,401.10 - Step 5: Solve for x
x = 9,252,457,401.10/104,794.68 - Step 6: Final answer
x = 88,291.29
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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.