Finding the Fourth Proportional to 89,422.11, 134,153.91 and 26,239.68
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Solution
The fourth proportional to 89,422.11, 134,153.91 and 26,239.68 is: 39,365.61
Step by Step Solution
- Step 1: Write the proportion equation
89,422.11 : 134,153.91 = 26,239.68 : x - Step 2: Convert to fraction form
89,422.11/134,153.91 = 26,239.68/x - Step 3: Cross multiply
89,422.11x = 134,153.91 × 26,239.68 - Step 4: Simplify right side
89,422.11x = 3,520,155,669.15 - Step 5: Solve for x
x = 3,520,155,669.15/89,422.11 - Step 6: Final answer
x = 39,365.61
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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.