Finding the Fourth Proportional to 88,132.71, 132,170.99 and 28,954.65
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Solution
The fourth proportional to 88,132.71, 132,170.99 and 28,954.65 is: 43,422.75
Step by Step Solution
- Step 1: Write the proportion equation
88,132.71 : 132,170.99 = 28,954.65 : x - Step 2: Convert to fraction form
88,132.71/132,170.99 = 28,954.65/x - Step 3: Cross multiply
88,132.71x = 132,170.99 × 28,954.65 - Step 4: Simplify right side
88,132.71x = 3,826,964,610.83 - Step 5: Solve for x
x = 3,826,964,610.83/88,132.71 - Step 6: Final answer
x = 43,422.75
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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.