Finding the Fourth Proportional to 104,781.23, 144,576.21 and 68,535.80
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Solution
The fourth proportional to 104,781.23, 144,576.21 and 68,535.80 is: 94,565.09
Step by Step Solution
- Step 1: Write the proportion equation
104,781.23 : 144,576.21 = 68,535.80 : x - Step 2: Convert to fraction form
104,781.23/144,576.21 = 68,535.80/x - Step 3: Cross multiply
104,781.23x = 144,576.21 × 68,535.80 - Step 4: Simplify right side
104,781.23x = 9,908,646,717.33 - Step 5: Solve for x
x = 9,908,646,717.33/104,781.23 - Step 6: Final answer
x = 94,565.09
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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.