Finding the Fourth Proportional to 84,658.23, 126,738.14 and 62,570.07
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Solution
The fourth proportional to 84,658.23, 126,738.14 and 62,570.07 is: 93,670.92
Step by Step Solution
- Step 1: Write the proportion equation
84,658.23 : 126,738.14 = 62,570.07 : x - Step 2: Convert to fraction form
84,658.23/126,738.14 = 62,570.07/x - Step 3: Cross multiply
84,658.23x = 126,738.14 × 62,570.07 - Step 4: Simplify right side
84,658.23x = 7,930,013,978.62 - Step 5: Solve for x
x = 7,930,013,978.62/84,658.23 - Step 6: Final answer
x = 93,670.92
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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.