Finding the Fourth Proportional to 66,878.99, 100,320.65 and 24,769.68
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Solution
The fourth proportional to 66,878.99, 100,320.65 and 24,769.68 is: 37,155.32
Step by Step Solution
- Step 1: Write the proportion equation
66,878.99 : 100,320.65 = 24,769.68 : x - Step 2: Convert to fraction form
66,878.99/100,320.65 = 24,769.68/x - Step 3: Cross multiply
66,878.99x = 100,320.65 × 24,769.68 - Step 4: Simplify right side
66,878.99x = 2,484,910,274.04 - Step 5: Solve for x
x = 2,484,910,274.04/66,878.99 - Step 6: Final answer
x = 37,155.32
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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.