Finding the Fourth Proportional to 89,771.56, 134,615.96 and 26,569.08
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Solution
The fourth proportional to 89,771.56, 134,615.96 and 26,569.08 is: 39,841.37
Step by Step Solution
- Step 1: Write the proportion equation
89,771.56 : 134,615.96 = 26,569.08 : x - Step 2: Convert to fraction form
89,771.56/134,615.96 = 26,569.08/x - Step 3: Cross multiply
89,771.56x = 134,615.96 × 26,569.08 - Step 4: Simplify right side
89,771.56x = 3,576,622,210.52 - Step 5: Solve for x
x = 3,576,622,210.52/89,771.56 - Step 6: Final answer
x = 39,841.37
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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.