Finding the Fourth Proportional to 82,900.08, 124,276.23 and 38,502.63
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Solution
The fourth proportional to 82,900.08, 124,276.23 and 38,502.63 is: 57,719.63
Step by Step Solution
- Step 1: Write the proportion equation
82,900.08 : 124,276.23 = 38,502.63 : x - Step 2: Convert to fraction form
82,900.08/124,276.23 = 38,502.63/x - Step 3: Cross multiply
82,900.08x = 124,276.23 × 38,502.63 - Step 4: Simplify right side
82,900.08x = 4,784,961,701.48 - Step 5: Solve for x
x = 4,784,961,701.48/82,900.08 - Step 6: Final answer
x = 57,719.63
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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.