Finding the Fourth Proportional to 82,926.99, 124,354.95 and 38,549.12
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Solution
The fourth proportional to 82,926.99, 124,354.95 and 38,549.12 is: 57,807.15
Step by Step Solution
- Step 1: Write the proportion equation
82,926.99 : 124,354.95 = 38,549.12 : x - Step 2: Convert to fraction form
82,926.99/124,354.95 = 38,549.12/x - Step 3: Cross multiply
82,926.99x = 124,354.95 × 38,549.12 - Step 4: Simplify right side
82,926.99x = 4,793,773,123.81 - Step 5: Solve for x
x = 4,793,773,123.81/82,926.99 - Step 6: Final answer
x = 57,807.15
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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.