Finding the Fourth Proportional to 102,343.73, 141,244.74 and 57,029.09
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Solution
The fourth proportional to 102,343.73, 141,244.74 and 57,029.09 is: 78,705.93
Step by Step Solution
- Step 1: Write the proportion equation
102,343.73 : 141,244.74 = 57,029.09 : x - Step 2: Convert to fraction form
102,343.73/141,244.74 = 57,029.09/x - Step 3: Cross multiply
102,343.73x = 141,244.74 × 57,029.09 - Step 4: Simplify right side
102,343.73x = 8,055,058,283.26 - Step 5: Solve for x
x = 8,055,058,283.26/102,343.73 - Step 6: Final answer
x = 78,705.93
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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.