Finding the Fourth Proportional to 82,973.18, 114,473.47 and 48,964.65
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Solution
The fourth proportional to 82,973.18, 114,473.47 and 48,964.65 is: 67,553.80
Step by Step Solution
- Step 1: Write the proportion equation
82,973.18 : 114,473.47 = 48,964.65 : x - Step 2: Convert to fraction form
82,973.18/114,473.47 = 48,964.65/x - Step 3: Cross multiply
82,973.18x = 114,473.47 × 48,964.65 - Step 4: Simplify right side
82,973.18x = 5,605,153,392.84 - Step 5: Solve for x
x = 5,605,153,392.84/82,973.18 - Step 6: Final answer
x = 67,553.80
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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.