Finding the Fourth Proportional to 84,384.59, 126,539.91 and 40,023.99
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Solution
The fourth proportional to 84,384.59, 126,539.91 and 40,023.99 is: 60,018.45
Step by Step Solution
- Step 1: Write the proportion equation
84,384.59 : 126,539.91 = 40,023.99 : x - Step 2: Convert to fraction form
84,384.59/126,539.91 = 40,023.99/x - Step 3: Cross multiply
84,384.59x = 126,539.91 × 40,023.99 - Step 4: Simplify right side
84,384.59x = 5,064,632,092.44 - Step 5: Solve for x
x = 5,064,632,092.44/84,384.59 - Step 6: Final answer
x = 60,018.45
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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.