Finding the Fourth Proportional to 76,950.99, 106,236.54 and 58,658.13
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Solution
The fourth proportional to 76,950.99, 106,236.54 and 58,658.13 is: 80,981.89
Step by Step Solution
- Step 1: Write the proportion equation
76,950.99 : 106,236.54 = 58,658.13 : x - Step 2: Convert to fraction form
76,950.99/106,236.54 = 58,658.13/x - Step 3: Cross multiply
76,950.99x = 106,236.54 × 58,658.13 - Step 4: Simplify right side
76,950.99x = 6,231,636,774.07 - Step 5: Solve for x
x = 6,231,636,774.07/76,950.99 - Step 6: Final answer
x = 80,981.89
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1.5x scale
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.