Finding the Fourth Proportional to 67,219.28, 100,466.08 and 58,719.08
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Solution
The fourth proportional to 67,219.28, 100,466.08 and 58,719.08 is: 87,761.66
Step by Step Solution
- Step 1: Write the proportion equation
67,219.28 : 100,466.08 = 58,719.08 : x - Step 2: Convert to fraction form
67,219.28/100,466.08 = 58,719.08/x - Step 3: Cross multiply
67,219.28x = 100,466.08 × 58,719.08 - Step 4: Simplify right side
67,219.28x = 5,899,275,788.81 - Step 5: Solve for x
x = 5,899,275,788.81/67,219.28 - Step 6: Final answer
x = 87,761.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.