Finding the Fourth Proportional to 88,194.08, 121,708.17 and 47,908.53
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Solution
The fourth proportional to 88,194.08, 121,708.17 and 47,908.53 is: 66,113.95
Step by Step Solution
- Step 1: Write the proportion equation
88,194.08 : 121,708.17 = 47,908.53 : x - Step 2: Convert to fraction form
88,194.08/121,708.17 = 47,908.53/x - Step 3: Cross multiply
88,194.08x = 121,708.17 × 47,908.53 - Step 4: Simplify right side
88,194.08x = 5,830,859,513.69 - Step 5: Solve for x
x = 5,830,859,513.69/88,194.08 - Step 6: Final answer
x = 66,113.95
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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.