Finding the Fourth Proportional to 88,193.36, 121,707.47 and 47,907.14
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Solution
The fourth proportional to 88,193.36, 121,707.47 and 47,907.14 is: 66,112.19
Step by Step Solution
- Step 1: Write the proportion equation
88,193.36 : 121,707.47 = 47,907.14 : x - Step 2: Convert to fraction form
88,193.36/121,707.47 = 47,907.14/x - Step 3: Cross multiply
88,193.36x = 121,707.47 × 47,907.14 - Step 4: Simplify right side
88,193.36x = 5,830,656,315.57 - Step 5: Solve for x
x = 5,830,656,315.57/88,193.36 - Step 6: Final answer
x = 66,112.19
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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.