Finding the Fourth Proportional to 122,677.07, 169,422.87 and 84,535.79
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Solution
The fourth proportional to 122,677.07, 169,422.87 and 84,535.79 is: 116,747.95
Step by Step Solution
- Step 1: Write the proportion equation
122,677.07 : 169,422.87 = 84,535.79 : x - Step 2: Convert to fraction form
122,677.07/169,422.87 = 84,535.79/x - Step 3: Cross multiply
122,677.07x = 169,422.87 × 84,535.79 - Step 4: Simplify right side
122,677.07x = 14,322,296,159.52 - Step 5: Solve for x
x = 14,322,296,159.52/122,677.07 - Step 6: Final answer
x = 116,747.95
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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.