Finding the Fourth Proportional to 89,644.41, 134,444.21 and 26,451.99
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Solution
The fourth proportional to 89,644.41, 134,444.21 and 26,451.99 is: 39,671.37
Step by Step Solution
- Step 1: Write the proportion equation
89,644.41 : 134,444.21 = 26,451.99 : x - Step 2: Convert to fraction form
89,644.41/134,444.21 = 26,451.99/x - Step 3: Cross multiply
89,644.41x = 134,444.21 × 26,451.99 - Step 4: Simplify right side
89,644.41x = 3,556,316,766.22 - Step 5: Solve for x
x = 3,556,316,766.22/89,644.41 - Step 6: Final answer
x = 39,671.37
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1.5x scale
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.