Finding the Fourth Proportional to 79,797.08, 110,114.97 and 43,987.40
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Solution
The fourth proportional to 79,797.08, 110,114.97 and 43,987.40 is: 60,699.86
Step by Step Solution
- Step 1: Write the proportion equation
79,797.08 : 110,114.97 = 43,987.40 : x - Step 2: Convert to fraction form
79,797.08/110,114.97 = 43,987.40/x - Step 3: Cross multiply
79,797.08x = 110,114.97 × 43,987.40 - Step 4: Simplify right side
79,797.08x = 4,843,671,231.38 - Step 5: Solve for x
x = 4,843,671,231.38/79,797.08 - Step 6: Final answer
x = 60,699.86
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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.