Finding the Fourth Proportional to 79,890.36, 119,819.14 and 37,752.54
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Solution
The fourth proportional to 79,890.36, 119,819.14 and 37,752.54 is: 56,621.06
Step by Step Solution
- Step 1: Write the proportion equation
79,890.36 : 119,819.14 = 37,752.54 : x - Step 2: Convert to fraction form
79,890.36/119,819.14 = 37,752.54/x - Step 3: Cross multiply
79,890.36x = 119,819.14 × 37,752.54 - Step 4: Simplify right side
79,890.36x = 4,523,476,875.62 - Step 5: Solve for x
x = 4,523,476,875.62/79,890.36 - Step 6: Final answer
x = 56,621.06
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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.