Finding the Fourth Proportional to 104,105.70, 143,664.16 and 56,358.63
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Solution
The fourth proportional to 104,105.70, 143,664.16 and 56,358.63 is: 77,773.99
Step by Step Solution
- Step 1: Write the proportion equation
104,105.70 : 143,664.16 = 56,358.63 : x - Step 2: Convert to fraction form
104,105.70/143,664.16 = 56,358.63/x - Step 3: Cross multiply
104,105.70x = 143,664.16 × 56,358.63 - Step 4: Simplify right side
104,105.70x = 8,096,715,237.70 - Step 5: Solve for x
x = 8,096,715,237.70/104,105.70 - Step 6: Final answer
x = 77,773.99
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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.