Finding the Fourth Proportional to 88,171.02, 121,675.97 and 47,884.79
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Solution
The fourth proportional to 88,171.02, 121,675.97 and 47,884.79 is: 66,080.99
Step by Step Solution
- Step 1: Write the proportion equation
88,171.02 : 121,675.97 = 47,884.79 : x - Step 2: Convert to fraction form
88,171.02/121,675.97 = 47,884.79/x - Step 3: Cross multiply
88,171.02x = 121,675.97 × 47,884.79 - Step 4: Simplify right side
88,171.02x = 5,826,428,271.50 - Step 5: Solve for x
x = 5,826,428,271.50/88,171.02 - Step 6: Final answer
x = 66,080.99
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1.5x scale
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.