Finding the Fourth Proportional to 79,804.19, 110,130.11 and 43,993.41
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Solution
The fourth proportional to 79,804.19, 110,130.11 and 43,993.41 is: 60,711.09
Step by Step Solution
- Step 1: Write the proportion equation
79,804.19 : 110,130.11 = 43,993.41 : x - Step 2: Convert to fraction form
79,804.19/110,130.11 = 43,993.41/x - Step 3: Cross multiply
79,804.19x = 110,130.11 × 43,993.41 - Step 4: Simplify right side
79,804.19x = 4,844,998,862.61 - Step 5: Solve for x
x = 4,844,998,862.61/79,804.19 - Step 6: Final answer
x = 60,711.09
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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.