Finding the Fourth Proportional to 79,724.76, 110,016.14 and 43,913.99
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Solution
The fourth proportional to 79,724.76, 110,016.14 and 43,913.99 is: 60,599.08
Step by Step Solution
- Step 1: Write the proportion equation
79,724.76 : 110,016.14 = 43,913.99 : x - Step 2: Convert to fraction form
79,724.76/110,016.14 = 43,913.99/x - Step 3: Cross multiply
79,724.76x = 110,016.14 × 43,913.99 - Step 4: Simplify right side
79,724.76x = 4,831,246,902.15 - Step 5: Solve for x
x = 4,831,246,902.15/79,724.76 - Step 6: Final answer
x = 60,599.08
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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.