Finding the Fourth Proportional to 104,180.64, 143,769.29 and 56,433.99
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Solution
The fourth proportional to 104,180.64, 143,769.29 and 56,433.99 is: 77,878.91
Step by Step Solution
- Step 1: Write the proportion equation
104,180.64 : 143,769.29 = 56,433.99 : x - Step 2: Convert to fraction form
104,180.64/143,769.29 = 56,433.99/x - Step 3: Cross multiply
104,180.64x = 143,769.29 × 56,433.99 - Step 4: Simplify right side
104,180.64x = 8,113,474,674.17 - Step 5: Solve for x
x = 8,113,474,674.17/104,180.64 - Step 6: Final answer
x = 77,878.91
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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.