Finding the Fourth Proportional to 124,687.68, 172,064.44 and 68,097.84
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Solution
The fourth proportional to 124,687.68, 172,064.44 and 68,097.84 is: 93,972.53
Step by Step Solution
- Step 1: Write the proportion equation
124,687.68 : 172,064.44 = 68,097.84 : x - Step 2: Convert to fraction form
124,687.68/172,064.44 = 68,097.84/x - Step 3: Cross multiply
124,687.68x = 172,064.44 × 68,097.84 - Step 4: Simplify right side
124,687.68x = 11,717,216,704.81 - Step 5: Solve for x
x = 11,717,216,704.81/124,687.68 - Step 6: Final answer
x = 93,972.53
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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.