Finding the Fourth Proportional to 75,805.84, 113,709.02 and 23,215.08
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Solution
The fourth proportional to 75,805.84, 113,709.02 and 23,215.08 is: 34,822.70
Step by Step Solution
- Step 1: Write the proportion equation
75,805.84 : 113,709.02 = 23,215.08 : x - Step 2: Convert to fraction form
75,805.84/113,709.02 = 23,215.08/x - Step 3: Cross multiply
75,805.84x = 113,709.02 × 23,215.08 - Step 4: Simplify right side
75,805.84x = 2,639,763,996.02 - Step 5: Solve for x
x = 2,639,763,996.02/75,805.84 - Step 6: Final answer
x = 34,822.70
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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.