Finding the Fourth Proportional to 88,389.36, 132,642.36 and 41,655.60
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Solution
The fourth proportional to 88,389.36, 132,642.36 and 41,655.60 is: 62,510.88
Step by Step Solution
- Step 1: Write the proportion equation
88,389.36 : 132,642.36 = 41,655.60 : x - Step 2: Convert to fraction form
88,389.36/132,642.36 = 41,655.60/x - Step 3: Cross multiply
88,389.36x = 132,642.36 × 41,655.60 - Step 4: Simplify right side
88,389.36x = 5,525,297,091.22 - Step 5: Solve for x
x = 5,525,297,091.22/88,389.36 - Step 6: Final answer
x = 62,510.88
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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.