Finding the Fourth Proportional to 104,925.11, 144,792.77 and 57,177.63
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Solution
The fourth proportional to 104,925.11, 144,792.77 and 57,177.63 is: 78,903.02
Step by Step Solution
- Step 1: Write the proportion equation
104,925.11 : 144,792.77 = 57,177.63 : x - Step 2: Convert to fraction form
104,925.11/144,792.77 = 57,177.63/x - Step 3: Cross multiply
104,925.11x = 144,792.77 × 57,177.63 - Step 4: Simplify right side
104,925.11x = 8,278,907,143.85 - Step 5: Solve for x
x = 8,278,907,143.85/104,925.11 - Step 6: Final answer
x = 78,903.02
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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.