Finding the Fourth Proportional to 104,533.29, 144,255.15 and 56,786.99
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Solution
The fourth proportional to 104,533.29, 144,255.15 and 56,786.99 is: 78,365.61
Step by Step Solution
- Step 1: Write the proportion equation
104,533.29 : 144,255.15 = 56,786.99 : x - Step 2: Convert to fraction form
104,533.29/144,255.15 = 56,786.99/x - Step 3: Cross multiply
104,533.29x = 144,255.15 × 56,786.99 - Step 4: Simplify right side
104,533.29x = 8,191,815,039.22 - Step 5: Solve for x
x = 8,191,815,039.22/104,533.29 - Step 6: Final answer
x = 78,365.61
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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.