Finding the Fourth Proportional to 88,146.87, 121,641.93 and 47,859.84
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Solution
The fourth proportional to 88,146.87, 121,641.93 and 47,859.84 is: 66,046.17
Step by Step Solution
- Step 1: Write the proportion equation
88,146.87 : 121,641.93 = 47,859.84 : x - Step 2: Convert to fraction form
88,146.87/121,641.93 = 47,859.84/x - Step 3: Cross multiply
88,146.87x = 121,641.93 × 47,859.84 - Step 4: Simplify right side
88,146.87x = 5,821,763,307.09 - Step 5: Solve for x
x = 5,821,763,307.09/88,146.87 - Step 6: Final answer
x = 66,046.17
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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.