Finding the Fourth Proportional to 89,723.99, 134,605.69 and 26,539.18
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Solution
The fourth proportional to 89,723.99, 134,605.69 and 26,539.18 is: 39,814.59
Step by Step Solution
- Step 1: Write the proportion equation
89,723.99 : 134,605.69 = 26,539.18 : x - Step 2: Convert to fraction form
89,723.99/134,605.69 = 26,539.18/x - Step 3: Cross multiply
89,723.99x = 134,605.69 × 26,539.18 - Step 4: Simplify right side
89,723.99x = 3,572,324,233.07 - Step 5: Solve for x
x = 3,572,324,233.07/89,723.99 - Step 6: Final answer
x = 39,814.59
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1.5x scale
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.