Finding the Fourth Proportional to 89,588.23, 134,361.99 and 26,412.63
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Solution
The fourth proportional to 89,588.23, 134,361.99 and 26,412.63 is: 39,612.95
Step by Step Solution
- Step 1: Write the proportion equation
89,588.23 : 134,361.99 = 26,412.63 : x - Step 2: Convert to fraction form
89,588.23/134,361.99 = 26,412.63/x - Step 3: Cross multiply
89,588.23x = 134,361.99 × 26,412.63 - Step 4: Simplify right side
89,588.23x = 3,548,853,779.86 - Step 5: Solve for x
x = 3,548,853,779.86/89,588.23 - Step 6: Final answer
x = 39,612.95
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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.