Finding the Fourth Proportional to 84,141.18, 126,124.29 and 34,255.71
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Solution
The fourth proportional to 84,141.18, 126,124.29 and 34,255.71 is: 51,347.95
Step by Step Solution
- Step 1: Write the proportion equation
84,141.18 : 126,124.29 = 34,255.71 : x - Step 2: Convert to fraction form
84,141.18/126,124.29 = 34,255.71/x - Step 3: Cross multiply
84,141.18x = 126,124.29 × 34,255.71 - Step 4: Simplify right side
84,141.18x = 4,320,477,102.20 - Step 5: Solve for x
x = 4,320,477,102.20/84,141.18 - Step 6: Final answer
x = 51,347.95
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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.