Finding the Fourth Proportional to 84,478.63, 126,881.97 and 62,204.05
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Solution
The fourth proportional to 84,478.63, 126,881.97 and 62,204.05 is: 93,426.85
Step by Step Solution
- Step 1: Write the proportion equation
84,478.63 : 126,881.97 = 62,204.05 : x - Step 2: Convert to fraction form
84,478.63/126,881.97 = 62,204.05/x - Step 3: Cross multiply
84,478.63x = 126,881.97 × 62,204.05 - Step 4: Simplify right side
84,478.63x = 7,892,572,405.98 - Step 5: Solve for x
x = 7,892,572,405.98/84,478.63 - Step 6: Final answer
x = 93,426.85
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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.