Finding the Fourth Proportional to 115,825.23, 159,852.96 and 68,083.02
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Solution
The fourth proportional to 115,825.23, 159,852.96 and 68,083.02 is: 93,962.88
Step by Step Solution
- Step 1: Write the proportion equation
115,825.23 : 159,852.96 = 68,083.02 : x - Step 2: Convert to fraction form
115,825.23/159,852.96 = 68,083.02/x - Step 3: Cross multiply
115,825.23x = 159,852.96 × 68,083.02 - Step 4: Simplify right side
115,825.23x = 10,883,272,272.74 - Step 5: Solve for x
x = 10,883,272,272.74/115,825.23 - Step 6: Final answer
x = 93,962.88
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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.