Finding the Fourth Proportional to 83,709.06, 115,519.35 and 45,468.96
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Solution
The fourth proportional to 83,709.06, 115,519.35 and 45,468.96 is: 62,747.62
Step by Step Solution
- Step 1: Write the proportion equation
83,709.06 : 115,519.35 = 45,468.96 : x - Step 2: Convert to fraction form
83,709.06/115,519.35 = 45,468.96/x - Step 3: Cross multiply
83,709.06x = 115,519.35 × 45,468.96 - Step 4: Simplify right side
83,709.06x = 5,252,544,704.38 - Step 5: Solve for x
x = 5,252,544,704.38/83,709.06 - Step 6: Final answer
x = 62,747.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.