Finding the Fourth Proportional to 79,811.93, 110,139.14 and 44,001.23
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Solution
The fourth proportional to 79,811.93, 110,139.14 and 44,001.23 is: 60,720.96
Step by Step Solution
- Step 1: Write the proportion equation
79,811.93 : 110,139.14 = 44,001.23 : x - Step 2: Convert to fraction form
79,811.93/110,139.14 = 44,001.23/x - Step 3: Cross multiply
79,811.93x = 110,139.14 × 44,001.23 - Step 4: Simplify right side
79,811.93x = 4,846,257,190.45 - Step 5: Solve for x
x = 4,846,257,190.45/79,811.93 - Step 6: Final answer
x = 60,720.96
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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.