Finding the Fourth Proportional to 73,043.36, 109,565.36 and 23,123.70
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Solution
The fourth proportional to 73,043.36, 109,565.36 and 23,123.70 is: 34,685.65
Step by Step Solution
- Step 1: Write the proportion equation
73,043.36 : 109,565.36 = 23,123.70 : x - Step 2: Convert to fraction form
73,043.36/109,565.36 = 23,123.70/x - Step 3: Cross multiply
73,043.36x = 109,565.36 × 23,123.70 - Step 4: Simplify right side
73,043.36x = 2,533,556,399.41 - Step 5: Solve for x
x = 2,533,556,399.41/73,043.36 - Step 6: Final answer
x = 34,685.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.