Finding the Fourth Proportional to 104,725.13, 144,509.74 and 59,388.62
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Solution
The fourth proportional to 104,725.13, 144,509.74 and 59,388.62 is: 81,950.09
Step by Step Solution
- Step 1: Write the proportion equation
104,725.13 : 144,509.74 = 59,388.62 : x - Step 2: Convert to fraction form
104,725.13/144,509.74 = 59,388.62/x - Step 3: Cross multiply
104,725.13x = 144,509.74 × 59,388.62 - Step 4: Simplify right side
104,725.13x = 8,582,233,164.14 - Step 5: Solve for x
x = 8,582,233,164.14/104,725.13 - Step 6: Final answer
x = 81,950.09
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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.