Finding the Fourth Proportional to 88,195.04, 121,708.68 and 47,908.52
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Solution
The fourth proportional to 88,195.04, 121,708.68 and 47,908.52 is: 66,113.50
Step by Step Solution
- Step 1: Write the proportion equation
88,195.04 : 121,708.68 = 47,908.52 : x - Step 2: Convert to fraction form
88,195.04/121,708.68 = 47,908.52/x - Step 3: Cross multiply
88,195.04x = 121,708.68 × 47,908.52 - Step 4: Simplify right side
88,195.04x = 5,830,882,729.95 - Step 5: Solve for x
x = 5,830,882,729.95/88,195.04 - Step 6: Final answer
x = 66,113.50
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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.