Finding the Fourth Proportional to 104,748.21, 144,552.26 and 57,001.55
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Solution
The fourth proportional to 104,748.21, 144,552.26 and 57,001.55 is: 78,661.99
Step by Step Solution
- Step 1: Write the proportion equation
104,748.21 : 144,552.26 = 57,001.55 : x - Step 2: Convert to fraction form
104,748.21/144,552.26 = 57,001.55/x - Step 3: Cross multiply
104,748.21x = 144,552.26 × 57,001.55 - Step 4: Simplify right side
104,748.21x = 8,239,702,295.75 - Step 5: Solve for x
x = 8,239,702,295.75/104,748.21 - Step 6: Final answer
x = 78,661.99
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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.