Finding the Fourth Proportional to 73,521.36, 110,281.50 and 20,930.76
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Solution
The fourth proportional to 73,521.36, 110,281.50 and 20,930.76 is: 31,395.99
Step by Step Solution
- Step 1: Write the proportion equation
73,521.36 : 110,281.50 = 20,930.76 : x - Step 2: Convert to fraction form
73,521.36/110,281.50 = 20,930.76/x - Step 3: Cross multiply
73,521.36x = 110,281.50 × 20,930.76 - Step 4: Simplify right side
73,521.36x = 2,308,275,608.94 - Step 5: Solve for x
x = 2,308,275,608.94/73,521.36 - Step 6: Final answer
x = 31,395.99
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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.