Finding the Fourth Proportional to 84,469.38, 126,602.95 and 39,430.14
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Solution
The fourth proportional to 84,469.38, 126,602.95 and 39,430.14 is: 59,098.00
Step by Step Solution
- Step 1: Write the proportion equation
84,469.38 : 126,602.95 = 39,430.14 : x - Step 2: Convert to fraction form
84,469.38/126,602.95 = 39,430.14/x - Step 3: Cross multiply
84,469.38x = 126,602.95 × 39,430.14 - Step 4: Simplify right side
84,469.38x = 4,991,971,212.75 - Step 5: Solve for x
x = 4,991,971,212.75/84,469.38 - Step 6: Final answer
x = 59,098.00
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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.