Finding the Fourth Proportional to 88,193.74, 121,707.49 and 47,907.51
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Solution
The fourth proportional to 88,193.74, 121,707.49 and 47,907.51 is: 66,112.43
Step by Step Solution
- Step 1: Write the proportion equation
88,193.74 : 121,707.49 = 47,907.51 : x - Step 2: Convert to fraction form
88,193.74/121,707.49 = 47,907.51/x - Step 3: Cross multiply
88,193.74x = 121,707.49 × 47,907.51 - Step 4: Simplify right side
88,193.74x = 5,830,702,794.25 - Step 5: Solve for x
x = 5,830,702,794.25/88,193.74 - Step 6: Final answer
x = 66,112.43
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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.