Finding the Fourth Proportional to 90,569.26, 135,810.19 and 37,964.62
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Solution
The fourth proportional to 90,569.26, 135,810.19 and 37,964.62 is: 56,928.61
Step by Step Solution
- Step 1: Write the proportion equation
90,569.26 : 135,810.19 = 37,964.62 : x - Step 2: Convert to fraction form
90,569.26/135,810.19 = 37,964.62/x - Step 3: Cross multiply
90,569.26x = 135,810.19 × 37,964.62 - Step 4: Simplify right side
90,569.26x = 5,155,982,255.48 - Step 5: Solve for x
x = 5,155,982,255.48/90,569.26 - Step 6: Final answer
x = 56,928.61
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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.