Finding the Fourth Proportional to 83,475.77, 115,174.14 and 47,658.65
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Solution
The fourth proportional to 83,475.77, 115,174.14 and 47,658.65 is: 65,756.14
Step by Step Solution
- Step 1: Write the proportion equation
83,475.77 : 115,174.14 = 47,658.65 : x - Step 2: Convert to fraction form
83,475.77/115,174.14 = 47,658.65/x - Step 3: Cross multiply
83,475.77x = 115,174.14 × 47,658.65 - Step 4: Simplify right side
83,475.77x = 5,489,044,027.31 - Step 5: Solve for x
x = 5,489,044,027.31/83,475.77 - Step 6: Final answer
x = 65,756.14
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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.