Finding the Fourth Proportional to 79,992.06, 110,386.69 and 44,181.28
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Solution
The fourth proportional to 79,992.06, 110,386.69 and 44,181.28 is: 60,968.87
Step by Step Solution
- Step 1: Write the proportion equation
79,992.06 : 110,386.69 = 44,181.28 : x - Step 2: Convert to fraction form
79,992.06/110,386.69 = 44,181.28/x - Step 3: Cross multiply
79,992.06x = 110,386.69 × 44,181.28 - Step 4: Simplify right side
79,992.06x = 4,877,025,259.16 - Step 5: Solve for x
x = 4,877,025,259.16/79,992.06 - Step 6: Final answer
x = 60,968.87
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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.